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The current global outbreak of artificial stone silicosis is a recrudescence of a major occupational disease in the context of a novel exposure source. Respirable crystalline silica exposure, even without frank pneumoconiosis, is associated with an increased risk of respiratory infection. Empyema is a well-recognized complication of bacterial pneumonia; pneumonia among working-age adults, in turn, has been epidemiologically linked to occupational exposure to fumes and dust, including silica. A connection between empyema and silica dust inhalation has not been reported, however, whether through antecedent pneumonia or another mechanism. We describe a case of silicosis initially presenting with empyema in a 31-year-old Computerized Numerical Control stone-cutting machine operator who had heavy exposure to artificial stone and other rock dust., (© The Author(s) 2024. Published by Oxford University Press on behalf of the Society of Occupational Medicine.)

Empyema resulting as a complication of penetrating diaphragmatic injuries is a subject that requires further investigation, and the aim of this study was to determine the risk factors associated with empyema in patients with penetrating trauma. Consecutive adult trauma patients from a level 1 trauma center were searched for penetrating diaphragm injuries. Data were collected on patient demographics, pre-existing conditions, injury type and severity, hospital interventions, in-hospital complications, and outcomes. Patients were stratified by empyema formation and univariant analyses were performed. 164 patients were identified, and 17 patients (10.4%) developed empyema. Empyema was associated with visible abdominal contamination (35.3% vs 15%, P = .04), thoracotomy (35.5% vs 13.6%, P = .03), pneumonia (41.2% vs 14.3%, P = .01), sepsis (35.3% vs 8.8%, P = .006), increased hospital length of stay (25.5 vs 10.1 days, p =<.001), increased intensive care unit length of stay (9.6 vs 4.3 days, P = .01), and decreased in-hospital mortality (0% vs 20.4%, P = .04)., Competing Interests: Declaration of Conflicting InterestsThe author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.

Rationale: Pyogenic spondylodiscitis is an infectious spinal disease that causes significant motor dysfunctions. Its diagnosis can be challenging owing to its rapid onset and nonspecific symptoms., Patient Concerns: A 79-year-old Japanese man with a history of type 2 diabetes mellitus and polymyalgia rheumatica presented to our department with tongue pain. Following partial glossectomy and wisdom tooth extraction under general anesthesia, on 10 postoperative day (POD) the patient developed right-sided abdominal pain and difficulty in walking. On 12 POD, the patient was admitted to a municipal hospital due to respiratory distress and paraplegia., Diagnoses: The patient was diagnosed with pyogenic spondylodiscitis and empyema. Blood tests revealed elevated C-reactive protein levels (36.5), white blood cell count (19,570), and neutrophil count (17,867)., Interventions: The patient received meropenem hydrate 3 g/2 days as empiric antibiotic treatment for acute infection. Upon admission to the emergency department on 16 POD, the lung abscess was drained, hemilaminectomy was performed., Outcomes: Blood cultures, sputum tests, and cultures from the thoracic and spinal abscesses drained during surgery revealed methicillin-sensitive Staphylococcus aureus. The infection was successfully managed, and the respiratory disturbance and inflammatory response improved. However, the lower half of the patient body remained paralyzed. Subsequently, the patient was transferred to a rehabilitation facility on 45 POD. The patient continued to undergo functional restoration training, gradually regained function, and eventually achieved the ability to walk with grasping gait., Lessons: This is the first case report of S aureus causing pyogenic spondylodiscitis and empyema due to blood stream infection from a post-oral surgical wound. Pyogenic spondylodiscitis arising from a secondary hematogenous infection is difficult to diagnose and can lead to severe functional impairment. Prompt and appropriate diagnosis and treatment based on detailed patient interviews, additional blood tests, and computed tomography are essential., Competing Interests: The authors have no funding and conflicts of interest to disclose., (Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.)

Background: Endobronchial valve (EBV) therapy, a validated method for bronchoscopic lung volume reduction (BLVR) in severe emphysema, has been explored for persistent air-leak (PAL) management. However, its effectiveness and safety in the Asian population require further real-world evaluation. In this study, we assessed the outcomes of treatment with EBV within this demographic., Methods: We conducted a retrospective analysis of medical records from 11 Korean centers. For the emphysema cohort, inclusion criteria were patients diagnosed with emphysema who underwent bronchoscopy intended for BLVR. We assessed these patients for clinical outcomes of chronic obstructive pulmonary disease. All patients with PAL who underwent treatment with EBV were included. We identified the underlying causes of PAL and evaluated clinical outcomes after the procedure., Results: The severe emphysema cohort comprised 192 patients with an average age of 70.3 years, and 95.8% of them were men. Ultimately, 137 underwent treatment with EBV. Three months after the procedure, the BLVR group demonstrated a significant improvement in forced expiratory volume in 1 s (+160 mL vs. +30 mL; P = 0.009). Radiographic evidence of lung volume reduction 6 months after BLVR was significantly associated with improved survival (adjusted hazard ratio 0.020; 95% confidence interval 0.038-0.650; P = 0.010). Although pneumothorax was more common in the BLVR group (18.9% vs. 3.8%; P = 0.018), death was higher in the no-BLVR group (38.5% vs. 54.5%, P = 0.001), whereas other adverse events were comparable between the groups. Within the subset of 18 patients with PAL, the predominant causes of air-leak included spontaneous secondary pneumothorax (44.0%), parapneumonic effusion/empyema (22.2%), and post-lung resection surgery (16.7%). Following the treatment, the majority (77.8%) successfully had their chest tubes removed. Post-procedural complications were minimal, with two incidences of hemoptysis and one of empyema, all of which were effectively managed., Conclusions: Treatment with EBV provides substantial clinical benefits in the management of emphysema and PAL in the Asian population, suggesting a favorable outcome for this therapeutic approach., (© 2024. The Author(s).)

A 33-year-old man with atopic dermatitis underwent thoracic drainage was initiated for the right spontaneous pneumothorax. On the third hospital day, he developed acute empyema with pleural fluid opacity and elevated inflammatory reaction on blood test. For prolonged air leakage and acute empyema, thoracoscopic bullectomy and thoracic lavage and curettage were performed on the 6th hospital day. Because the preoperative cultural test of pleural effusion showed meticillin-resistant Staphylococcus aureus( MRSA), he was treated with vancomycin and ampicillin/sulbactam, and discharged on the 11th hospital day( the 5th postoperative day). Although spontaneous pneumothorax is rarely associated with empyema, patients with atopic dermatitis are prone to infections caused by Staphylococcus aureus, and the relation between atopic dermatitis and empyema was suspected in this case. As percutaneous medical procedures pose a risk of deep bacterial infection, when medical procedures including thoracic drainage is performed for patients with dermatosis, it is important to keep the possibility of bacterial infection in mind, and to quickly shift to treatment by detecting early signs of infection.

Surgical site infections (SSI)[wound infection, empyema] after thoracic surgery can lead to severe complications. Targeted antibiotic treatment and drainage are the keys. For the treatment of postoperative empyema without bronchopleural fistula, chest tube thoracostomy and irrigation with normal saline is effective. For postoperative empyema with bronchopleural fistula, open window thoracotomy is a good treatment option. Since the condition of empyema is different in each patient, treatment should be individualized depending on the patient's condition.

Chronic post-pneumonectomy empyema (CPPE) associated with bronchopleural fistula (BPF) is a potentially fatal complication and remains a surgical challenge. This study aims to propose a treatment protocol for managing this severe disease. From July 2009 to June 2021, 47 CPPE with BPF patients were treated in our department. CT scan with 3D reconstruction was used to detect BPF and to evaluate the location and volume of empyema cavity. Different surgical techniques were used to close BPFs according to they sizes. Multiple pedicled muscle flaps were chosen to fill the empyema cavity, and among them, latissimus dorsi (LD) was the mostly used flap. For cases that regional flaps were not suitable, free flaps were used. Patients were followed-up from 7.9 to 102.8 months. Forty-four patients (93.6%) healed after the operation. Closure of BPFs failed in three patients (6.4%), leading to regional infection. These patients were treated by bronchoscopic application of sealants, continuous drainage and antibiotics, and they eventually healed. Total or partial flap loss was not seen in any of the cases. Treatment protocol was proposed based on these results. CT scan with 3D reconstruction is an effective examination to evaluate pleural cavity defect and BPF. Proper technique to close the BPF and right choice of flap to fulfil the empyema cavity are the two most important key points to treat CPPE associated with BPF patients., (© 2022 The Authors. International Wound Journal published by Medicalhelplines.com Inc and John Wiley & Sons Ltd.)

Objective: to identify variables related to pleural complications in patients undergoing tube thoracostomies due to traumatic injuries., Method: we conducted a prospective observational study from May/2019 to January/2021 including adult trauma patients submitted to tube thoracostomies after hospital admission. Patients undergoing thoracotomies as the initial treatment were not included. We excluded patients with suspected and confirmed COVID-19 diagnosis during the hospitalization. Pleural complications were defined as clotted hemothorax, residual pneumothorax and empyema. Students t, Mann Whitneys, Chi square and Fishers exact test were used to compare variables between groups. We considered p<0.05 as significant., Results: we analyzed 68 patients. The mean age was 36.0 + 12.6 years and 91.2% were male. The mean RTS and ISS were, respectively, 7.0 ± 1.6 and 15.9 ± 7.6. The most frequent trauma mechanism was stab wounds in 50.0%, followed by blunt trauma in 38.2%. The severity of thoracic injuries was stratified (AIS) as 2 (4.4%), 3 (80.9%), 4 (13.2%), e 5 (1.5%). Pleural complications happened in 14 (20.5%) patients, being clotted / residual hemothorax (11.8%), residual pneumothorax (4.4%), empyema (2.9%) and miscellaneous (1.4%). These patients were treated by thoracoscopy (5), thoracotomy (3), chest re-drainage (3) and clinical measures alone (3). There was a significant association between pleural complications with the time of permanence (p<0,001) and the necessity of relocation (p<0,001) of the drain., Conclusion: the predictors of pleural complications in this series were time of permanence and the necessity of relocation of the drain.

Aim: Paediatric intensive care unit (PICU) admissions for empyema increased following the 13-valent pneumococcal conjugate vaccine (PCV13). We describe the clinical characteristics, management and outcomes for children with empyema and compare incidence before and after PCV13., Methods: Retrospective study of patients <18 years admitted to The Royal Children's Hospital Melbourne PICU with empyema between January 2016 and July 2019. We investigated the incidence of empyema during two time periods: 2007-2010 (pre-PCV13) and 2016-2019 (post-PCV13)., Results: Seventy-one children (1.9% of all PICU admissions) were admitted to PICU with empyema between 2016 and 2019. Sixty-one (86%) had unilateral disease, 11 (16%) presented with shock and 44 (62%) were ventilated. Streptococcus pneumoniae and group A Streptococcus were the most commonly identified pathogens. Forty-five (63%) were managed with video-assisted thoracoscopic surgery (VATS). There was a 31% reduction in empyema hospitalisations as a proportion of all hospitalisations (IRR 0.69, 95% CI 0.59-0.8), but a 2.8-fold increase in empyema PICU admissions as a proportion of all PICU admissions (95% CI 2.2-3.5, P < 0.001). For the PICU cohort, this was accompanied by reduction in PIM2 probability of death (median 1% vs. 1.9%, P = 0.02) and duration of intubation (median 69 h vs. 126.5 h, P = 0.045)., Conclusions: In children with empyema in PICU 62% required ventilation, 16% had features of shock and 63% received VATS. Empyema admissions, as a proportion of all PICU admissions, increased in the era post-PCV13 compared to pre-PCV13 despite no increase in illness severity at admission., (© 2022 The Authors. Journal of Paediatrics and Child Health published by John Wiley & Sons Australia, Ltd on behalf of Paediatrics and Child Health Division (The Royal Australasian College of Physicians).)

Background: Spontaneous bacterial empyema (SBE) is an infection of a preexisting hepatic hydrothorax (HH). We aim to describe the experience in managing SBE in a liver transplant (LT) referral center and assessing the incidence and mortality rates of SBE after conducting a systematic review., Methods: 992 patients with cirrhosis were retrospectively reviewed from 2015 to 2020. SBE was diagnosed by (i) positive microbiological culture and polymorphonuclear leukocyte count >250 cells/µL or (ii) negative microbiological culture, compatible clinical course, and polymorphonuclear count >500 cells/µL in pleural fluid. Furthermore, we conducted a comprehensive literature search of MEDLINE, EMBASE, and Google Scholar for studies evaluating SBE., Results: Twelve patients (10.4%) had spontaneous bacterial empyema out of 115 patients with HH. Five patients underwent LT, 6 had died, and 1 did not get transplanted and was alive throughout the duration of follow-up. Ten studies were included in the systematic review. Pooled incidence in patients with HH was 19.03%. Only 20.69% of the patients received a LT. Pooled mortality rate was 46.45%, with only 3.45% of the patients dying post-transplant., Conclusion: SBE is a severe complication of cirrhosis and HH. LT may provide a survival benefit. Thus, patients should be considered for early transplant.

Introduction: Despite the advance in antibiotics and widespread chest tube drainage, acute empyema still shows a high mortality rate, accounting for 10-25%. We experienced a case of acute empyema caused by A. hydrophila, which is extremely uncommon, and reviewed all previously published articles., Case Presentation: A 76-year older man with a medical history of liver cirrhosis (LC) due to chronic hepatitis C and hepatic cell carcinoma was admitted to our institute. Elevated inflammatory reaction and effusions on chest CT were seen, and he was suspected of having acute empyema. Although an empiric antibiotic therapy of meropenem with chest tube drainage was performed as an initial treatment, he died within 8 hours of admission. Postmortem, both blood and left pleural fluid cultures yielded Aeromonas hydrophila. The final diagnosis was acute empyema caused by A. hydrophila. We reviewed previously reported empyema caused by Aeromonas species cases (4 A. hydrophila, and 1 A. veronii) in 4 previous reports written in English, including ours. Of 5, all were male, and the mean age was 52 years (range 27-76 years). All patients had LC due to alcohol or viral infections. As for antibiotics initially prescribed, third-generation cephalosporins were most frequently used in 3/5 (60%). Thoracentesis was performed in all patients (100%). As for prognosis, 2 (40%) survived, and 3 (60%) died., Conclusion: Physicians should be aware of the possibility of acute empyema caused by A. hydrophila among patients with chronic hepatic disease., (Copyright © 2022 Japanese Society of Chemotherapy and The Japanese Association for Infectious Diseases. Published by Elsevier Ltd. All rights reserved.)

Background: Anastomotic leakage with empyema is one of the most severe complications of esophagectomy. We invented a new type of slow-flow irrigation drainage tube to improve the smooth pleural drainage, which contributed to the recovery of anastomotic leakage., Methods: In this study, 42 patients, from 2012 to 2019, who underwent esophagectomy and postoperative anastomotic leakage with persistent empyema, were enrolled and distributed into irrigation drainage tube group (I+) or non-irrigation drainage tube group (I-). In (I+) group, the slow-flow irrigation drainage tube was placed along the primary pleural drainage tube into the empyema cavity, irrigated with normal saline. Clinicopathological features and perioperative complications of all patients were collected and compared to determine the differences between the two groups with statistical analysis., Results: All 20 patients were distributed into (I+) group and 22 into (I-) group. The two groups were comparable in clinicopathological features. When compared with (I-) group, patients in (I+) group achieved significantly shorter healing duration and postoperative hospital stay. The complications resulting from anastomotic leakage in (I+) group were relatively fewer than those in (I-) group, including postoperative bleeding (0 vs. 1) and pulmonary complications (7 vs. 13). Moreover, 5 reoperations for rescuing bleeding or severe thoracic infection were performed in (I-) group, while none in (I+) group., Conclusions: The slow-flow irrigation drainage tube is a safe and effective treatment of anastomotic leakage and empyema. Additional prospective study is required to furtherly determine the improvement of drainage and extended application in deep infections located in thorax.

Purpose: Optimal management of the bone flap after craniotomy for intracranial infection has not been well defined in the pediatric population. This study reviewed the outcomes of a single Canadian center where immediate replacement of the bone flap was standard practice., Methods: This is a retrospective study of all patients who underwent craniotomies for evacuation of epidural or subdural empyema at a single center from 1982 to 2018. Patients were identified using the prospective surgical database maintained by the Division of Pediatric Neurosurgery at BC Children's Hospital. Primary outcome was treatment failure, defined as reoperation at the site of initial surgery for removal of an infected bone flap or repeat drainage of empyema under the replaced bone flap. Secondary outcome was any reoperation for recurrent infection at any site., Results: Twenty-four patients met the inclusion criteria with a minimum of 3-month follow-up from the index intervention. Treatment failure occurred in four patients (17%), all of whom required repeat surgery for further drainage of pus underlying the bone flap. Mean time to repeat surgery was 13 days. Any reoperation for recurrent infection at any site occurred in three patients. Seven out of 24 patients required a second surgery to evacuate empyema (29.2%). Age, sex, epidural or subdural location, osteomyelitis, and bone flap wash were not associated with the primary outcome of treatment failure., Conclusion: Immediate replacement of the bone flap in the surgical management of pediatric subdural or epidural empyema is reasonable. Replacing the flap at the time of first surgery avoids the morbidity and costs of a subsequent reconstructive operation.

Objective: Empyema is the most common complication of pneumonia. Primary interventions include chest drainage and fibrinolytic therapy (CDF) or video-assisted thoracoscopic surgery (VATS). We describe disease trends, clinical outcomes and factors associated with reintervention., Design/setting/patients: Retrospective cohort of paediatric empyema cases requiring drainage or surgical intervention, 2011-2018, admitted to a large Australian tertiary children's hospital., Results: During the study, the incidence of empyema increased from 1.7/1000 to 7.1/1000 admissions (p<0.001). We describe 192 cases (174 CDF and 18 VATS), median age 3.0 years (IQR 1-5), mean fever duration prior to intervention 6.2 days (SD ±3.3 days) and 50 (26%) cases admitted to PICU. PICU admission increased during the study from 18% to 34% (p<0.001). Bacteraemia occurred in 23/192 (12%) cases. A pathogen was detected in 131/192 (68%); Streptococcus pneumoniae 75/192 (39%), S. aureus 25/192 (13%) and group A streptococcus 13/192 (7%). Reintervention occurred in 49/174 (28%) and 1/18 (6%) following primary CDF and VATS. Comparing repeat intervention with single intervention cases, a continued fever postintervention increased the likelihood for a repeat intervention (OR 1.3 per day febrile; 95% CI 1.2 to 1.4, p<0.0001). Younger age, prolonged fever preintervention and previous antibiotic treatment were not associated with initial treatment failure (all p>0.05)., Conclusion: We report increasing incidence and severity of empyema in a large tertiary hospital. One in four patients required a repeat intervention after CDF. Neither clinical variables at presentation nor early investigations were able to predict initial treatment failure., Competing Interests: Competing interests: None declared., (© Author(s) (or their employer(s)) 2020. No commercial re-use. See rights and permissions. Published by BMJ.)

BACKGROUND Empyema of the gallbladder is a complication of cholecystitis that can develop into sepsis if not treated promptly. Signs and symptoms of gallstone disease are nausea/vomiting, right upper quadrant tenderness, and a history of gallstone disease. With persistence of the obstruction, inflammation and bacterial overgrowth within the gallbladder lumen and tissue may lead to eventual venous congestion, pressure necrosis and even empyema of the gallbladder. CASE REPORT A 60-year old male presented with complaints of mild mid-epigastric pain radiating to the back. He denied previous similar history. CT and ultrasound of the abdomen revealed acute cholecystitis. During surgery, it was clear that the imaging did not accurately represent the severity of the infection and he was diagnosed with gallbladder empyema. Surgery was difficult but was successfully finished. The patient's symptoms and laboratory results normalized by post-operative day 3 and he was discharged. He had no further complications during 2-week follow up. CONCLUSIONS Physicians should keep the abnormal presentations of gallbladder empyema in mind and prepare themselves for a presentation different from imaging during surgery. Several prognostic factors including gallbladder wall thickness, gender, white cell count and diabetes mellitus have been associated with severe complicated cholecystitis and empyema of the gallbladder.

Background: Intrathoracic fistulas pose unique challenges for thoracic and reconstructive surgeons. To decrease the incidence of fistula recurrence, pedicled flaps have been suggested to buttress the repair site. The authors aimed to report their experience with muscle flap transposition for the management of intrathoracic fistulas., Methods: A retrospective review of all patients who underwent intrathoracic muscle flap transposition for the management of intrathoracic fistulas from 1990 to 2010 was conducted. Patient demographics, surgical characteristics, and complication rates were abstracted and analyzed., Results: A total of 198 patients were identified. Bronchopleural fistula was present in 156 of the patients (79 percent), and 48 had esophageal fistula (24 percent). A total of 238 flaps were used, constituting an average of 1.2 flaps per patient. After the initial fistula repair, bronchopleural fistula complicated the course of 34 patients (17 percent), and esophageal fistula occurred in 13 patients (7 percent). Partial flap loss was identified in 11 flaps (6 percent), and total flap loss occurred in four flaps (2 percent). Median follow-up was 27 months. At the last follow-up, 182 of the patients (92 percent) had no evidence of fistula, 175 (89 percent) achieved successful chest closure, and 164 (83 percent) had successful treatment. Preoperative radiation therapy and American Society of Anesthesiologists score of 4 or greater were identified as risk factors for unsuccessful treatment., Conclusions: Intrathoracic fistulas remain a source of major morbidity and mortality. Reinforcement of the fistula closure with vascularized muscle flaps is a viable option for preventing dehiscence of the repair site and can be potentially life-saving., Clinical Question/level of Evidence: Therapeutic, III.

Objectives: A bronchopleural fistula after pneumonectomy is a relatively rare but very serious complication. The development of endoscopic methods of treatment opens a new page in treating this condition. The goal of this paper was to confirm that the atrial septal defect Amplatzer device can be used for bronchopleural fistula closure in properly selected patients., Methods: A retrospective study of 13 patients with bronchopleural fistula after pneumonectomy was performed. There were 11 men and 2 women aged 26-70 years. Right-sided fistulas occurred in 10 patients and left-sided fistulas occurred in 3. The underlying disease was lung cancer in 7 patients and pulmonary tuberculosis in 6. Video-assisted thoracoscopic surgery (N = 7) and open-window thoracostomy (N = 6) were used to treat the empyema. To treat occlusion of the bronchial fistulas, we used Amplatzer atrial septal defect occluders originally intended for closure of ventricular and interatrial septal defects. The occluder was inserted from the bronchus by flexible bronchoscopy with the patient under local anaesthesia, with the help of video-assisted thoracoscopy or through a window thoracostomy from the pleural cavity., Results: We noted 3 complications after the procedure. In 2 patients, displacement of the occluders required re-installation in 1 patient and latissimus dorsi muscle coverage in the other. In the third patient, the occluder became dislodged during severe exacerbation of tuberculosis that occurred after the patient violated the treatment regimen. She died of tuberculosis 6 months after the occluder was inserted. The course in the remaining 10 patients was uneventful., Conclusions: Our experience suggests that the use of an atrial septal defect occluder for the treatment of a bronchial fistula after pneumonectomy is a reliable option., (© The Author(s) 2019. Published by Oxford University Press on behalf of the European Association for Cardio-Thoracic Surgery. All rights reserved.)

No consensus exists on management of children with community-acquired pneumonia complicated by empyema (CAP-Em). We evaluated outpatient oral (O-Abx) compared with parenteral antibiotics (OPAT) in children with CAP-Em. We also evaluated inflammatory markers to guide length of treatment. We conducted a retrospective cohort study of patients discharged (2006-2016) with CAP-Em. Primary outcome measured was treatment success (no change in antibiotics or readmission to hospital for treatment of CAP-Em). White blood cell (WBC) count, C-reactive protein (CRP), and erythrocyte sedimentation rate (ESR) serial measurements were identified. Success was achieved in 133/144 (92.4%) O-Abx and 7/12 (58%) OPAT patients ( P = .0031). WBC and CRP decreased early; and ESR increased initially (admit and switch to O-Abx) and decreased by end of treatment. O-Abx is the modality of choice for treatment of CAP-Em after hospital discharge. WBC and CRP are useful to monitor success of O-Abx switch; and ESR provides guidance for length of treatment.

Intrathoracic omental herniation (ITOH) is the herniation of the omentum through the esophageal hiatus without herniation of the stomach. It is a rare disease and serious complications due to ITOH have not been reported in the literature. Here, we reported the case of 47-year old man who presented to the emergency department with dyspnea and chest pain. Enhanced computed tomography (CT) demonstrated a large retrocardiac mass and ITOH was suspected. During the observation period in the emergency department, the patient's condition rapidly deteriorated. Follow-up CT showed large parapneumonic effusion and empyema. Emergency surgery was performed and the omental sac was removed. The patient's vital signs were restored and his symptoms were relieved. He was discharged on hospital day 15 without complications. Emergency physicians should be aware that severe complications of ITOH could develop and that if the patient's symptoms and vital signs worsen, emergency surgery should be considered., (Copyright © 2019 Elsevier Inc. All rights reserved.)

The aim of this study is to present the treatment modalities of unusual late esophageal perforations and ruptures. The reason for diagnostic delay was misinterpretation of pleural collection, overlooked sclerotherapy, foreign body extraction, and delayed recognition of the true origin of empyema after pneumonectomy. In all instances of transthoracic reinforced or temporary excluded primary repair were successful. In a 6- week-old iatrogenic perforation with localised empyema, Urschel-Ergin type exclusion with tube thoracostomy and lavage was used. In a 13-day-old rupture, and in a late postpulmonectomy perforation, Johnson type exclusion, decortication, and/or fenestration and second-stage colonic or Roux-en-Y by-pass were carried out. One patient was lost in deep sepsis for a delayed recognised transfixion esophageal injury. It is never too late to attempt to repair and salvage a perforated or ruptured healthy esophagus.

Retropharyngeal abscess is potentially associated with high morbidity and mortality as a result of its direct anatomical connection with the mediastinum. Therefore, knowledge of the relevant anatomy is essential for recognizing the presence and extent of disease in a timely manner. In this case report, we aim to review the pertinent anatomy and patterns of spread of infection from a full blown deep neck space infection to result in mediastinitis and empyema., (Copyright Journal of Radiology Case Reports.)

Objective: To identify predictors of complicated parapneumonic effusion (CPE)/empyema in patients of community acquired pneumonia (CAP) by using clinical and simple laboratory variables like hemoglobin (Hb), serum C-reactive protein (CRP), serum albumin (SA) levels and total leukocyte counts (TLC)., Methods: This prospective case-control study was conducted after institutional ethical approval. Subjects between ages of 2-59 mo with World Health Organization (WHO) defined CAP with written, informed parental consent were included. Cases had CAP with CPE/empyema diagnosed by pleurocentesis. Controls had severe CAP without significant pleural collection on chest X-ray (CXR). Patients with congenital and chronic diseases/infections and possible immune deficiency were excluded. Variables with univariate association with case-control status were considered as potential predictors. Final prediction model was developed by Forward Stepwise Logistic Regression (FSLR). Adjusted odd's ratios (Adj OR) were smoothened into nearest whole numbers to develop KGMU-CPE score., Results: From 2016 to 17, 30 cases (66.6% males, age 38.7 + 14.9 mo) and 118 controls (78% males, age 17.8 + 16.9 mo) were included. In FSLR, predictors of CPE/empyema were ibuprofen intake (adj OR 6.8; 95%CI: 1.07-43.6), infective focus elsewhere (adj OR 28.2; 95%CI: 1.4-563.1), hypoalbuminemia <3.1 g/dL (adj OR 6.9; 95%CI: 1.22-39.3), serum CRP >20 mg/dL (adj OR 59; 95%CI: 1.86-1874.7), Hb <10 g/dL (adj OR 21.1; 95%CI: 2.8-158.1) and TLC >10,000 (adj OR 37; 95%CI: 5.7-239.8) and these six variables formed KGMU-CPE Score with a minimum score of 0 and maximum of 25. KGMU-CPE score area under the ROC curve was 0.97 and cut- off 15.55 had sensitivity of 80% and specificity of 94% for predicting CPE/empyema., Conclusions: Using simple clinical and laboratory parameters it is possible to predict CAP with CPE/empyema. Use of ibuprofen is to be avoided in CAP as it associated with CPE. KGMU-CPE score had good diagnostic accuracy and needs external validation.

Intracranial empyema is a rare but serious complication of sinusitis in children. Myelodysplastic/myeloproliferative syndromes (MMS), including juvenile myelomonocytic leukemia (JMML), can lead to immunosuppression, thus favouring infections. We report the case of a sphenoid sinogenic retro-clival extradural empyema in a 14-year-old female patient associated with JMML. Treatment consisted in an endonasal transphenoidal drainage of the empyema associated with intravenous antibiotherapy. The patient was thereafter enrolled in chemotherapeutic treatment with Azacitidine. The disease progressed to blast phase, indicating bone marrow graft. This is the first reported case of an endocranial complication of bacterial sinusitis associated with MMS in a child., (Copyright © 2018. Published by Elsevier B.V.)

Background: Retained appendicolith following appendicectomy, and can cause recurrent abscess in the abdomen and retroperitoneum., Case Characteristics: 11-yr-old boy who presented with subpulmonic abscess and pneumonia following appendicectomy for perforated appendicitis., Observation: Thoracotomy revealed a thick walled subpulmonic abscess surrounding an appendicolith along with a rent in the posterolateral aspect of the diaphragm., Message: In children presenting with pus collections and a history of recent appendicectomy, the possibility of a migrating appendicolith should be considered.

Cavernostomy and fenestration were performed in a patient who developed a lung abscess and empyema in the left lung, which was damaged after multimodality therapy for advanced thymoma. The hospitalized patient suddenly experienced cardiopulmonary arrest due to major bleeding from the left main pulmonary artery. We immediately performed the main pulmonary arterial embolization, and the patient was resuscitated. Subsequently, the patient underwent supercharged free omental flap plombage performed in the following manner: first, laparoscopic harvesting of the omentum was performed in the supine position. Then, the right gastroepiploic artery and vein were anastomosed with the left axillary artery and vein, respectively. The lung cavity, bleeding point of the pulmonary artery and the surface of the artificial pericardium were filled and covered by the supercharged omentum, and the skin was closed. The postoperative course was uneventful. The patient has had no bleeding, recurrence of empyema and thymoma or skin abnormalities at 36 months postoperatively. Supercharged free omental flap plombage was a useful option for treatment of an intractable chest infection involving an artificial pericardium.

The mediastinal serous cavity is a normal anatomic space in the caudal mediastinum. Aims of this anatomic and case series study were to describe the signs of pathologic expansion of the mediastinal serous cavity observed during computed tomography (CT), review the underlying anatomy, perform a literature review, and evaluate the medical records of several dogs with mediastinal serous cavity empyema (paraesophageal empyema). The mesothelial lined mediastinal serous cavity is a cranial extension of the omental bursa, separated from the peritoneal cavity by the diaphragm, in the dorsal part of the caudal mediastinum, to the right of the esophagus, between the heart base and diaphragm. In five adult, large-breed dogs with surgically and histologically confirmed paraesophageal empyema, macroscopic plant material was found at surgery in two dogs, adherence to adjacent lung was present in three different dogs, accessory lobectomy was performed in two dogs with subacute-chronic pyogranulomatous pneumonia, and one dog had concurrent pyothorax and mediastinitis, but none had esophageal abnormalities. This study expands our understanding of the pathogenesis and basis for the imaging appearance of paraesophageal empyema in dogs by clarifying the underlying anatomic structures that direct development of this condition. The term empyema accurately describes this condition because the purulent material accumulates within an existing body cavity. The study also provides initial evidence that the development of paraesophageal empyema might be due to local extension of lung disease, such as foreign body migration or pneumonia. Computed tomography was helpful for diagnosis, assessing size, and determining the spread of disease., (© 2017 American College of Veterinary Radiology.)

Rationale: The development of postoperative bronchopleural fistula (BPF) remains a challenge in thoracic surgery. We herein report a case of BPF successfully treated with endoscopic bronchial occlusion under computed tomography (CT) fluoroscopy and virtual bronchoscopic navigation (VBN)., Patient Concerns: A 63-year-old man underwent right upper lobectomy with concomitant S6a subsegmentectomy for lung adenocarcinoma. On postoperative day 24, he complained of shaking chills with high fever., Diagnoses: BPF with subsequent pneumonia and empyema., Interventions: Despite aggressive surgical interventions for the BPF, air leakage persisted postoperatively. On days 26 and 34 after the final operation, endobronchial occlusions were performed under CT fluoroscopy and VBN., Outcomes: The air leaks greatly decreased and the patient was discharged., Lessons: CT fluoroscopy and VBN can be useful techniques for endobronchial occlusion in the treatment of BPF.

Pyogenic ventriculitis is a rare but severe post-neurosurgical complication. The infection is often resistant to antibiotic treatment alone. Continuous intraventricular irrigation has been suggested but the technique is cumbersome, increases the risk for secondary infection, and is inadequate in removing adherent purulence. We used a novel neuroendoscopic approach assisted with a side-cutting aspiration device to treat four cases of post-neurosurgical pyogenic ventriculitis. Ventricular empyema was cleared in all patients and three of the four patients had favorable outcomes., (Copyright © 2017 Elsevier Ltd. All rights reserved.)

Competing Interests: Competing interests: None declared.

Objects: Changes in patients' background and life environment could contribute to increase healthcare-associated (HCA) empyema. There are no guidelines and statements for HCA empyema., Methods: We retrospectively reviewed all patients with empyema who were admitted to the Aichi Medical University Hospital, Japan between 2008 and 2015. We evaluated patients' characteristics, microbial profiles, treatment and outcomes, and analyzed prognostic factors for 90-day mortality., Results: A total of 48 patients were enrolled in this study. They were categorized into community-acquired (CA) empyema (16 patients) and healthcare-associated (HCA) empyema (32 patients). HCA empyema patients had higher Charlson comorbidity index (CCI) scores, and poorer performance status (PS) than CA empyema patients. Potentially-drug resistant (PDR) pathogens were seen more frequently in HCA empyema than in CA empyema. Compared with survival and death groups, the death group showed higher CCI scores and poorer PSs than the survival group. The death group had more malignancy than the survival group. PDR pathogens were detected more frequently in the death group than in the survival group. Multivariate analysis showed that emergence of PDR pathogens and malignancies were independent poor prognostic factors for 90-days mortality among empyema., Conclusion: The etiology and bacteriology of HCA empyema are quite different from those of CA empyema. Especially, the mortality of HCA empyema was higher than the one of CA empyema. Emergence of PDR pathogens in the pleural fluid detected by culture, pulmonary disease and malignancies were independent poor prognostic factors among CA and HCA empyema by multivariate logistic regression analysis., (Copyright © 2017 Japanese Society of Chemotherapy and The Japanese Association for Infectious Diseases. Published by Elsevier Ltd. All rights reserved.)

The complications of sinusitis are essentially secondary to ethmoidal and frontal sinusitis, occurring in patients weakened, particularly in case of immunodeficiency or anatomical defects. The gravity is due to the risk of spreading infection in intracranial tissues and orbital cavity. The diagnosis is always to discuss any symptomatology resistant to treatment and the appearance of orbital or neurological signs. The scanner and MRI contribute greatly to the orientation and diagnostic evaluation of the extent of the lesions. Treatment is based on prolonged antibiotic therapy and surgery and requires a multidisciplinary approach involving ENT, ophthalmologist, neurosurgeon and anesthesiologist resuscitator., (Copyright © 2017 Elsevier Masson SAS. All rights reserved.)

Pyocystis, empyema cystis, vesical empyema are all terms that describe the purulent filled bladder that may develop in patients with defunctionalized bladders such as after supravesical urinary diversion without cystectomy or in patients with end-stage renal disease with anuria. It is a severe form of lower urinary tract infection. In addition to the local symptoms of suprapubic pain and malodorous discharge, the condition can be more serious with bacterial dissemination into the blood stream and ensuing sepsis and even mortality. The current review will discuss the pathogenesis, risk factors and management of this commonly forgotten complication of urinary diversion.

Mycobacterium fortuitum is a rapidly growing mycobacterium (RGM) that is an uncommon cause of healthcare-associated infections. The most common infections caused by M. fortuitum include skin, soft tissue, and catheter-related infections. Although occasionally cultured from sputum samples, M. fortuitum is a rare cause of pulmonary disease. We report a case of M. fortuitum empyema associated with an infected pleural catheter and review M. fortuitum pulmonary infections., (Copyright © 2016. Published by Elsevier Ltd.)

BACKGROUND Acute phlegmonous esophagogastritis is a life-threatening disease that may be combined with serious complications. We present the classical radiological and endoscopic features and treatment strategy of a middle-aged female patient suffering from acute phlegmonous esophagogastritis complicated with hypopharyngeal abscess, esophageal perforation, mediastinitis, and empyema. CASE REPORT A 60-year-old Taiwanese female presented at our hospital due to fever, fatigue, painful swallowing, and vague chest pain for 5 days. She had a past history of uncontrolled type 2 diabetes mellitus. On physical examination, general weakness, chest pain, odynophagia, and a fever up to 38.9°C were found. Positive laboratory findings included leukocytosis (leukocyte count of 14.58×10³/μL, neutrophils 76.8%) and serum glucose 348 mg/dL (HbA1c 11.3%). A diagnosis of acute phlegmonous esophagogastritis with hypopharyngeal abscess was made based on typical computed tomography image features and clinical signs of infection. The patient received empirical antibiotic therapy initially; however, esophageal perforation with mediastinitis and empyema developed after admission. Emergency surgery with drainage and debridement was performed and antibiotics were administered. She was discharged in a stable condition on the 56th day of hospitalization. Six months later, a delayed esophageal reconstruction was performed. The patient has performed well for 9 months to date since the initial diagnosis. CONCLUSIONS Acute phlegmonous esophagogastritis complicated with hypopharyngeal abscess and esophageal perforation is extremely rare, and requires immediate medical attention. This report serves to remind physicians of this rare entity and the potential complications that may manifest with acute phlegmonous esophagogastritis., Competing Interests: Conflicts of Interest: None declared

Both physicians and surgeons insert chest drains by various techniques-including Seldinger and "wide-bore" methods. The indications include hemothorax, pneumothorax, pleural effusion, and postoperative care in thoracic surgery. Given their invasive nature, there is significant potential for complications; however, this can be minimized by following a meticulous technique, which is herein described for both Seldinger and "wide-bore" drain insertion., (Copyright © 2016 Elsevier Inc. All rights reserved.)

Background: Clinical vaccine failure is the occurence of the specific vaccine-preventable disease in an appropriately and fully vaccinated person after enough time has elapsed for protection against the antigens of the vaccine to develop. Fully immunized cases with pneumoccal vaccine may sometimes develop a complicated pneumonia with empyema caused by a vaccine serotype., Case Report: A 2 year-old male patient was admitted with the complaints of fever. On the basis of findings and laboratory results, the patient was diagnosed as having empyema. He was successfully treated with parenteral antibiotics and chest tube drainage. The pleural fluid culture and hemoculture of the patient yielded penicillin-susceptible pneumococci and the isolate was identified as serotype 9V. The patient had been vaccinated with a 13-valent pneumococcal conjugate vaccine according to the Turkish national immunization schedule at 2, 4, 6 and 12 months of age. His medical history and basic immunological profile were inconsistent with a primary immunodeficiency., Conclusion: The failure of the PCV13 vaccine may results in a complicated pneumonia with empyema. It is important to investigate serotypes of pneumococci in these cases to determine other possible vaccine failures due to PCV13 and to study the underlying mechanisms., Competing Interests: Conflict of Interest: No conflict of interest was declared by the authors.

Since 1998, we started a clinical program for awake video-assisted thoracic surgery in our unit using four-step local anesthesia and sedation. Throughout the years, we experienced several difficult cases, three of them had complications postpneumonectomy. The aim of this paper is to report these three cases.

Background: Parapneumonic effusions in children are usually associated with pneumococcal infections. In Greece, the 7-valent pneumococcal conjugate vaccine was replaced by higher-valent pneumococcal conjugate vaccines (PCVs); 10-valent was introduced in May 2009 and 13-valent (PCV13) in June 2010. Since July 2010, PCV13 has been the most commonly used PCV. In a study conducted at the University General Hospital of Larissa, Central Greece, from January 2012 to January 2016, 85.7% of children born after the implementation of PCV13 and aged 24-59 months had received the complete series (3 + 1 immunization schedule) of PCV13., Methods: We studied all paediatric community-acquired pneumonia cases with empyema hospitalized at the University General Hospital of Larissa from January 2008 to January 2016., Results: There were 30 cases of parapneumonic empyema. Among 27 empyema cases of known aetiology, 19 (70.4%) were due to Streptococcus pneumoniae (identifiable serotypes 3, 19A, 7F, and 9N/L). After September 2011, no more cases caused by serotypes 7F and 19A were observed, whereas serotype 3 emerged as the predominant pathogen of pneumococcal empyema (9 of 11 cases). Serotype 3 continued to cause empyema despite vaccination with PCV13 either fully with a 3 + 1 schedule (n = 3) or with one booster dose at the age of 21 months (n = 1)., Conclusion: In Central Greece during the first five years of high coverage with PCV13, serotype 3 was the only PCV13 serotype that clearly persisted in children with empyema.

A 63-years old man referred to our hospital complaining of fever and dyspnea. He had severe diabetes. Chest computed tomography revealed left empyema with bronchopleural fistula and right pneumonia. Chest drainage was performed, but his general condition was too bad to perform surgical treatment. We performed bronchial embolization with Endobronchial Watanabe Spigot (EWS) which successfully closed the bronchopleural fistula resulting in the cure of pneumonia. Even at 1 year after treatment, good condition is being kept under the placement of EWS.