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Introduction Pigtail catheter (PGC) insertion due to spontaneous pneumothorax (SPT) in the pediatric population has increased markedly in the last years. However, only few studies examined its efficacy in terms of length of hospitalization, rate of complications, and especially pain management comparing to large bore catheter (LBC) insertion. We sought to compare analgetic drug consumption, efficacy, and complication rate between PGC and LBC in children with SPT. Materials and Methods This is a single-center retrospective study of pediatric patients that were admitted to the Schneider Children's Medical Center between 2013 and 2021 with a diagnosis of SPT. The following data were collected: type of drainage (PGC or LBC), duration of drainage, length of hospitalization, number of X-rays, complication rate, surgery during hospitalization, readmission due to SPT, and pain management. Results Seventeen PGC and 23 LBC were inserted in our study. No differences were noted in terms of hospitalization length, tube reposition or replacement, and recurrence of SPT between the groups. Patients with PGC underwent less X-rays comparing to the LBC group (3 X-rays vs. 5, median, p < 0.005). Oral analgesic use in terms of length of therapy was significantly lower in the PGC group than in the LBC group (1 vs. 3+ days, median, p < 0.05). There was no major complication in this cohort. Conclusion PGC is an effective, safe, and less painful alternative compared with a LBC for the drainage of SPT in children. [ABSTRACT FROM AUTHOR]

Background: Recent evidence suggests that elevated intra-abdominal pressure (IAP) may adversely affect the intestinal barrier function. Toll-like receptor 4 (TLR-4) is responsible for the recognition of bacterial endotoxin or lipopolysaccharide and for initiation of the Gram-negative septic shock syndrome. The objective of the current study was to determine the effects of elevated IAP on intestinal bacterial translocation (BT) and TLR-4 signaling in intestinal mucosa in a rat model.Methods: Male Sprague-Dawley rats were randomly assigned to one of two experimental groups: sham animals (Sham) and IAP animals who were subjected to a 15 mmHg pressure pneumoperitoneum for 30 minutes. Rats were sacrificed 24 hours later. BT to mesenteric lymph nodes, liver, portal vein blood, and peripheral blood was determined at sacrifice. TLR4-related gene and protein expression (TLR-4; myeloid differentiation factor 88 [Myd88] and TNF-α receptor-associated factor 6 [TRAF6]) expression were determined using real-time PCR, western blotting, and immunohistochemistry.Results: Thirty percent of sham rats developed BT in the mesenteric lymph nodes (level I) and 20% of control rats developed BT in the liver and portal vein (level II). abdominal compartment syndrome (ACS) rats demonstrated an 80% BT in the lymph nodes (Level I) and 40% BT in the liver and portal vein (Level II). Elevated BT was accompanied by a significant increase in TLR-4 immunostaining in jejunum (51%) and ileum (35.9%), and in a number of TRAF6-positive cells in jejunum (2.1%) and ileum (24.01%) compared to control animals. ACS rats demonstrated a significant increase in TLR4 and MYD88 protein levels compared to control animals.Conclusions: Twenty-four hours after the induction of elevated IAP in a rat model, increased BT rates were associated with increased TLR4 signaling in intestinal mucosa. [ABSTRACT FROM AUTHOR]

Background: Hyperhidrosis can cause significant professional and social handicaps. Surgery is the preferred treatment modality for hyperhidrosis. There has been evolution in the surgical management of hyperhidrosis. This study evaluated the place of minimally invasive surgical approach and its long-term outcome in the management of hyperhidrosis. Patients and Methods: A 10-year prospective study of all children and adolescents who underwent thorascopic sympathectomy at the Schneider Children's Hospital of Israel. Data were validated for the procedure and analysed for outcome of procedure. Results: There were 148 patients, 66 were males and 82 were females, with a median age of 13.8 SD ± 4.0 years. Two hundred and ninety-six thoracopic sympathectomies were performed with no conversion to open procedure. The mean operation time was 18 min. Ninety-five per cent of the patients were discharged the next day with a mean hospital stay of 1.2 days. Postoperative complications included segmental atelectasis in seven (4.72%) patients, pneumothorax in two (1.35%) and transient unilateral Horner's syndrome in one (0.67%). Seventy-one (38.8%) experienced some form of compensatory hyperhidrosis. Complete relief of palmer hyperdidrosis was achieved in all patients (mean follow-up = 5.03 ± 1.76 years). The outcome was very satisfactory in 91 (61.5%) and satisfactory in 48 (32.4%). Only nine (6.1%) were not satisfied with the outcome. Conclusion: Thorascopic sympathectomy provides effective and satisfactory cure for palmer hyperhidrosis with acceptable complication rate and excellent satisfactory outcome. There is a possibility of compensatory sweating in some individuals. [ABSTRACT FROM AUTHOR]

Perineal hernias (pelvic floor hernias) are extremely rare occurring through defects in musculature of the pelvic floor. This report presents a successfully treated case of primary perineal hernia and takes a review of the existing literature. The case of a 14-month-old girl with a great perineal hernia is presented. Diagnosis was secured by barium enema. The pelvic defect was successfully treated by primary suture with prolene. The literature shows many different approaches for treatment of perineal hernia, such as open or laparoscopic mesh repair, and perineal, abdominal or combined access in the adult, but our case like others confirms that primary closure of the hernial orifice through a perineal approach is also feasible in children. [ABSTRACT FROM AUTHOR]

Background: Management of female phenotype XY disorders poses a series of problems for the treating clinician. Even after a series of investigations and imaging modalities, there are lingering doubts about the exact nature of the disease and the correct management option. Optimal timing and necessity for removal of their testes have been a debated issue by physicians. There is a generally accepted opinion among physicians that the risk of malignancy in androgen insensitivity syndrome (AIS) is considerably lower than with other intersex disorders and occurs at a later age. Objective: The highlight of this presentation is to reinforce the value of laparoscopic gonadectomy in management of AIS in correlation with data suggesting higher risk of malignancy. Patients and Methods: A retrospective review of 11 phenotypic females with XY karyotype was carried out. The patients were evaluated by a diagnostic protocol which included clinical, hormonal, sonographic and cytogenetic examinations. Patients/parents were counselled by the team concerning the different treatment modalities and contrary to the assigned gender, laparoscopy was offered to them. Uneventful bilateral gonadectomy was performed in all the patients and gonads submitted for histopathological examination. Results: A total of 11 patients (mean age, 10.4 ± 4.1 years), including six with complete AIS and fi ve with partial AIS (PAIS) were reviewed. In two patients with PAIS (18.1%), histopathology revealed malignancy (bilateral seminoma and gonadoblastoma) and in an additional patient, a benign hamartoma was found. Literature evidence suggests that AIS female phenotype patients retaining their testes through puberty have a 5% chance for developing malignant tumours. Reviewing our results in correlation with literature, we found that PAIS patients may harbour a higher risk of malignancy. Conclusions: In complementation to hormonal tests and cytogenetic techniques, laparoscopic gonadectomy is required to complete the diagnostic work up for AIS as it also adds a fi nal therapeutic approach with low risk and huge benefi t. Since laparoscopy is now a well-tolerated and widely accepted gold standard, it should be included in routine management for patients with AIS. Risk of malignancy in PAIS should be investigated in larger cohort of these patients. [ABSTRACT FROM AUTHOR]

The global objective of this paper is to review from the ‘Fellow’ perspective, the current status of pediatric minimal access surgery (MAS) in terms of teaching feasibility, safety and impact on standard practice paradigms. In the pediatric general surgery field, surgeons are dealing with a wide range of pathology that includes thoracic, abdominal, urological and gynecological procedures. The learning curve is slow because of a relatively small volume of patients. However, gradually but steadily, a significant proportion of the procedures traditionally performed, with major open exposures at present, are preferentially performed by minimal access. Currently, minimal access surgery training is incorporated into adult general surgery residency/fellowship programs and teaching techniques of pediatric MAS are available only as seldom international workshops. Pediatric surgery fellowship programs with incorporated guidelines for MAS training are just recently feasible in select centers, mostly as ‘self’ established programs. In many other pediatric surgery centers, teaching the ‘glamour’ of MAS is quite dependent on a program director's vision. Integration of MAS training into the secondary residency/fellowship curriculum of pediatric surgeons is the inevitable goal. MASminded education and research through adequate training will pay dividends and ‘manufacture’ competent, contemporary trainees. National Pediatric Surgery Associations should be responsible for setting criteria that consider the MAS for accreditation with maintaining the international standards of these teaching programs. [ABSTRACT FROM AUTHOR]

A 5-year-old boy born with a congenital heart defect had insertion of an epicardial pacemaker that was found on routine evaluation to have been displaced into the rectovesical pouch. He underwent transvenous insertion of another pacemaker, and the displaced pacemaker was successfully retrieved by laparoscopy without incident. [ABSTRACT FROM AUTHOR]

Polyuria is not considered an absolute indication for pre-transplant nephrectomy; however, it may complicate post-transplantation fluid management. Bilateral native-kidney laparoscopic nephrectomy was performed at our centre in two patients (four kidneys) 1 month after they had received a living related-donor renal transplant. The indication for nephrectomy was severe post-transplant polyuria secondary to the patient’s underlying disease: juvenile nephronophthisis. Both patients had a persistent post-transplant daily urine output of 7–8 l/day and continued to have a variable serum creatinine level, dependent on intravenous hydration, more then 3 weeks after transplantation. Bilateral laparoscopic native-kidney nephrectomy in children has previously been reported. However, to the best of our knowledge, laparoscopic nephrectomy has not been described after kidney transplantation and certainly not in the immediate post-transplantation period. The procedure was well tolerated and did not affect renal graft function. In fact, following the procedure, serum creatinine levels stabilized, while daily fluid requirements decreased to 2.5–3.5 l/day in both patients. We concluded that bilateral native-kidney nephrectomy can be safely performed in paediatric renal transplant recipients in the immediate post-transplantation period. This new approach may allow preemptive transplantation and avoid the need for a transition period on dialysis in patients for whom pre-transplant nephrectomy is not absolutely indicated. [ABSTRACT FROM AUTHOR]

Background: Pilonidal sinus disease (PSD) is a common surgical disease. Multiple surgical methods exist in the literature, without clear consensus regarding which should be the first‐line treatment. Minimally invasive methods such as the Gips procedure are gaining popularity in recent years. The aim of our study was to assess recurrence rates following the Gips procedure and to determine whether using the same surgical approach during re‐operation is efficient and successful. Methods: This is a single‐center retrospective observational study of pediatric patients that underwent Gips procedure due to PSD between the years 2012–2022. Results: 565 pediatric patients underwent an elective surgery for PSD in the study period. Recurrence rate was 8.1% (n = 46). In all the patients with recurrence, re‐operation took place on average 9 months following the first surgery and using the same surgical method. Following the second surgery, only 8 patients (1%) had multiple recurrences. Conclusions: We found a relatively low recurrence rate in the pediatric population using the Gips method, and nearly 100% success rate following the second operation. Our findings set a new benchmark for pediatric recurrence following PSD operation, with clear recommendation to use the same method of surgery upon further recurrences as well. [ABSTRACT FROM AUTHOR]

Background: Adolescent obesity has markedly increased worldwide, and metabolic bariatric surgery is an effective treatment option. A major predictor of the outcomes of this procedure is adherence to post-surgery lifestyle changes and medical recommendations. While adolescents generally have more difficulty adhering to medical advice than adults, their failure to do so could adversely affect their physical and psychological health, the cost-effectiveness of medical care, and the results of clinical trials. To our knowledge, this is the first attempt to identify the characteristics associated with the adherence of adolescents and their families to medical advice after bariatric surgery. Methods: We investigated potential variables influencing adherence to medical advice in adolescents diagnosed with severe obesity enrolled in a nutritional and behavior-oriented bariatric program—a 3-month pre-surgical outpatient intervention and a 6-month post-surgical follow-up. The program monitored weight, program attendance, diet compliance, lifestyle changes, and daily activities. All participants and parents completed a standard battery of questionnaires, provided demographic information, and participated in a semi-structured interview about their lifestyle. Results: The study group consisted of 47 adolescents: 34 girls and 13 boys, aged 13–18 years. Over time, three groups emerged with different degrees of adherence—high, low, and delayed low adherence. The analyses showed that adolescents' depression, autonomy, and independence from their family had strong, significant effects on adherence across the groups. Conclusions: Using adherence typologies, practitioners may be able to identify, predict, and tailor interventions to improve adolescent adherence to post-surgery recommendations. Parents have an important role in ensuring that adolescents undergoing metabolic bariatric surgery follow medical advice after the procedure. [ABSTRACT FROM AUTHOR]

Introduction: Correct diagnosis of acute appendicitis may sometimes be challenging. The Negative appendectomy rate (NAR) has declined in the recent years in Europe and USA, in part due to better diagnostic imaging tools. The aim of this study was to examine the rates of negative appendectomy in our institution, investigate trends in its incidence, and identify possible predicting factors. Methods: A retrospective cohort study, including all patients younger than 18 years of age who underwent an appendectomy between 2007 and 2021 in a single tertiary medical center. Data regarding patient's demographics, laboratory and imaging results, pathological results and clinical outcome were collected. Results: Between 2007 and 2021, a total of 3937 pediatric patients underwent appendectomy due to a working diagnosis of acute appendicitis. Overall, 143 patients (3.6%) had normal appendix on pathological examination. However, in the last 5 years, the rate of normal appendix was 1.9%, together with an increased rate of pre‐operative imaging (from 40% to nearly 100%). Conclusion: Low NAR under 2% is an achievable benchmark in the era of accessible pre‐operative imaging. In unequivocal cases, a secondary survey that includes repeated physical examination, blood work and imaging is recommended and may result in near‐zero rates of NAR. [ABSTRACT FROM AUTHOR]

Background: Most congenital pulmonary airway malformations (CPAMs) are detected antenatally. The majority of newborns are asymptomatic. Patients are prone to subsequent respiratory complications and to a lesser extent malignant transformation remains concerning. In Israel, until 2013, pediatric surgeries were performed by thoracotomy. To minimize its morbidity, we introduced thoracoscopy using a mentorship approach. We present our experience with thoracoscopic resections coordinated by the mentorship of a pediatric worldwide leader in his field and compare our results with resections performed by thoracotomy. Materials and Methods: A retrospective review of records of children operated between 2013 and 2020 was conducted. Data were compared using t-test for quantitative variables. Results: Fifty patients were operated by thoracoscopy with a median age of 4 years, a thoracoscopic lobectomy performed in 68%. There was no conversion with a median length of stay (LOS) of 3½ days. Thirty patients were operated by thoracotomy by a thoracic surgeon with a median age of 3.5 years. A lobectomy was performed in 87% with a median LOS of 7 days. Conclusions: Thoracoscopic lobectomy is a technically demanding procedure with a long learning curve, strongly related to the low volume of cases. The role of a mentorship program in acquiring those surgical skills is crucial through standardization of the technique applied and supervised by the mentor. Early thoracoscopy for congenital pulmonary lesions at an early age can be achieved with a low conversion rate and minimal complications creating a change in the paradigm of practice when considering surgery for CPAM in Israel. [ABSTRACT FROM AUTHOR]

Aim: Ingestion of multiple magnets is increasing these last 15 years in children. They have resulted in numerous reports of serious gastrointestinal complications such as bowel obstruction, ischaemia, necrosis, perforation and fistula formation and even led to death. The increasing number of world-wide reports of complications secondary to magnet ingestion and a frequently delayed diagnosis point to a lack of awareness about these risks among medical care-givers in our country and parents in general.Methods: We reviewed retrospectively all cases of multiple magnet ingestion that required a gastro-intestinal or surgical procedure for removal from 2009 to 2020.Results: Five children underwent gastroscopy removal and three colonoscopy removal of the magnets. Five patients required surgical (laparotomy or laparoscopy) removal of multiple magnets with intestinal perforations.Conclusions: We propose an updated management algorithm for multiple magnet ingestion to highlight awareness among primary physicians and parents of the presenting circumstances and symptoms as well as the potential complications associated with multiple magnet ingestion. [ABSTRACT FROM AUTHOR]

Aim: Percutaneous endoscopic gastrostomy (PEG) and surgical gastrostomy (SG) are common procedures in children with neurological impairment (NI) with swallowing difficulties. Pulmonary aspirations are a major concern and performing concomitant or delayed fundoplication is still controversial, especially among these patients. The aim of our study was to review our experience with fundoplication performed concomitantly with gastrostomy or later and to evaluate patient outcomes. Methods: This is a retrospective, cohort study including all paediatric patients who underwent SG or PEG with or without Nissen fundoplication at Schneider Children's Medical Center of Israel between the years 2007 and 2018. Patients' clinical and surgical data were recorded and analysed. Results: Between 2007 and 2018, 345 patients underwent SG or PEG. Of these, 89 patients underwent fundoplication. Of the patients who underwent PEG/SG, 158 (45.8%) were neurologically impaired. Most of the patients who underwent fundoplication (n = 69, 77.5%) were NI patients (P = 0.0001). NI patients with refractory seizures showed almost no improvement in terms of relief of gastro‐oesophageal reflux disease symptoms following fundoplication (P = 0.0001) compared to NI patients without refractory seizures. Conclusion: Our findings suggest that in NI patients a concomitant fundoplication is not mandatory and is not efficacious in preventing gastro‐oesophageal reflux disease in patients with refractory seizures. [ABSTRACT FROM AUTHOR]

Acute appendicitis is the most common cause of acute abdominal pathology in children. However, other rare non-inflammatory non-neoplastic disorders involving the appendix may manifest as surgical emergencies. This study aimed to describe these atypical entities and present representative cases. The database of a tertiary children's medical center was reviewed for all the patients aged 0-18 years who underwent urgent appendectomy between June 2014 and December 2019, for rare disorders of the appendix unrelated to inflammatory or neoplastic processes. Of 1367 patients who underwent appendectomy, 1345 were operated urgently or emergently. Of these, six, all males, mean age 32.6 months (range 0.7-76), underwent appendectomy for rare surgical complications that involved the appendix. These included torsion of the appendix (2), a strangulated internal hernia through an appendicular ring (1) or through a mesoappendix gap (1), an incarcerated appendix in an acute hernia sac (1), and appendiceal intussusception (1). In all cases, the role of the appendix in the pathologic process was unexpected and came as a surprise to the surgeon. During a median follow-up of 4.2 months (range 1-8 months), one patient underwent relaparotomy for small bowel obstruction 4 weeks after the original procedure.Conclusion: The appendix in children can be the source of rare pathological disorders that present as surgical emergencies. Familiarity with these entities may aid in achieving accurate preoperative diagnosis and contribute to surgical team orientation on exploratory laparotomy. However, correct diagnosis is often only established during timely surgical intervention. [ABSTRACT FROM AUTHOR]

Aim: To present seven paediatric patients with appendicitis, all with late diagnosis resulting from different aspects of the fear from the current global COVID-19 pandemic.Methods: Cases were collected from three paediatric surgical wards. Comparison between complicated appendicitis rates in the COVID-19 era and similar period in previous year was performed.Results: All seven children presented with complicated appendicitis. Main reasons for the delayed diagnosis during the COVID-19 era were parental concern, telemedicine use and insufficient evaluation. Higher complication rates were found during the COVID-19 era compared to similar period in previous year (22% vs 11%, P-value .06).Conclusion: The fear from COVID-19 pandemic may result in delayed diagnosis and higher complication rates in common paediatric medical conditions. We believe caregivers and healthcare providers should not withhold necessary medical care since delay in diagnosis and treatment in these routinely seen medical emergencies may become as big of a threat as COVID-19 itself. [ABSTRACT FROM AUTHOR]

Introduction:  Acute appendicitis is the most common emergency condition in pediatric surgery. Historically, a triple-antibiotic therapy consisted of ampicillin, gentamicin, and clindamycin has been used postoperatively for perforated appendicitis. According to recently published trials, dual therapy consists of ceftriaxone and metronidazole only, offers a more efficient and cost-effective antibiotic management compared with triple therapy. Based on these results, our department applied dual antibiotic therapy for children with perforated appendicitis that underwent appendectomy from 2009 and forth.Aim:  The aim of our study was to compare postoperative outcomes between patients treated with triple therapy (ampicillin, gentamicin, and metronidazole) (group A) versus dual therapy (ceftriaxone and metronidazole) (group B).Methods:  Clinical and laboratory data were retrospectively collected by review of the medical records for all children who underwent appendectomy for the perforated appendix at the Schneider Children's Medical Center of Israel, a tertiary pediatric care center between 2007 and 2011. Children with perforated appendicitis received antibiotic therapy in accordance with the hospital's guidelines that were valid at the time the surgery took place. In the first period (years 2007-2009) (group A) a triad of ampicillin, gentamicin, and metronidazole and the second period (2009-2011) (group B) dual therapy consists of ceftriaxone and metronidazole. The two groups were compared for outcome and complications, such as wound infections, changing of antibiotic therapy, and length of stay.Results:  During the study period 1,203 patients underwent an appendectomy. Of these, 175 patients were diagnosed with perforated appendix and were treated with postoperative antibiotic's regimen. Group A and group B consisted of 89 and 86 patients, respectively. The two groups were not different significantly in terms of demographic data, length of stay, or readmission rates. However, more rates of wound infection and changing of antibiotic therapy were seen in group B, although not statistically significant (p = 0.064).Conclusion:  Dual antibiotic therapy for perforated appendicitis is a cost-effective and efficient mode of therapy compared with triple-antibiotic's regimen. However, prospective studies are required to determine whether this policy is associated with higher rates of wound infections and change in antibiotic therapy. [ABSTRACT FROM AUTHOR]

Purpose: Over the last 15 years thoracoscopic lobectomy for congenital and acquired lesions has become an accepted modality in pediatric thoracic surgery. There is still debate about the need to perform a complete lobectomy for some of these lesions, and some advocate observation rather than resection, despite possible long-term complications of untreated lesions. High-resolution computed tomography (CT) scans and physical findings at the time of surgery, along with new advanced techniques, now allow for discrete partial anatomic resections, which may preserve normal lung. This study evaluates the feasibility and early results using these techniques in selected cases. Patients and Methods: With institutional review board approval, the records of all patients undergoing thoracoscopic lung resection were reviewed. From January 2006 to December 2012, 23 patients, ranging from 1 month to 16 years of age and weighing 3.8-42 kg, underwent thoracoscopy for planned resection. Pathology was congenital cystic lung disease in 19 patients, bronchiectasis in 3 patients, and arteriovenous malformation in 1 patient. In each case findings on CT scan and at the time of surgery warranted consideration of lung-preserving surgery. Procedures were performed through three ports using single lung ventilation and CO2 insufflation to achieve lung collapse. The LigaSure™ device (Covidien, Norwalk, CT) was the primary instrument used to seal and divide the lung parenchyma and seal vessels. Results: All procedures were completed successfully thoracoscopically. An anatomic segmental resection was achieved in 22 of 23 cases. Operative time ranged from 30 to 300 minutes (mean, 120 minutes). Segmental resections included the left upper lobe apical/posterior ( n=4), lingula ( n=3), left lower lobe superior ( n=5), medial or posterior basal ( n=3), right middle lobe medial ( n=1), right upper lobe apical ( n=1), right lower lobe superior ( n=4), and posterior basal ( n=2). Two patients had more than one segment excised. Chest tubes were left in for 24 hours in 16 cases, 48 hours in 4 cases, and 5 days in 1 case. Hospital stay ranged from 1 to 6 days (mean, 2 days). Follow-up CT scans obtained at 1-6 years (mean, 28 months) show no residual disease in 20 of 21 patients. One patient underwent a nonanatomic resection and had evidence of recurrent congenital pulmonary airway malformation at the 4-year follow-up. This patient underwent a secondary thoracoscopic resection. Conclusions: Thoracoscopic lung-conserving therapy is technically feasible and safe in infants and children. The magnification provided by a thoracoscopic approach makes identification of segmental anatomic planes easier, aiding in safe dissection and resection. Anatomic resection appears to be associated with a low morbidity. It may be appropriate in the case of bilateral or extensive disease or in cases where the diseased tissue is clearly limited to an anatomic segment. Continued long-term follow-up is needed. [ABSTRACT FROM AUTHOR]

Purpose: Over the last 15 years thoracoscopic lobectomy for congenital and acquired lesions has become an accepted modality in pediatric thoracic surgery. There is still debate about the need to perform a complete lobectomy for some of these lesions, and some advocate observation rather then resection, despite possible longterm complications of untreated lesions. High-resolution computed tomography (CT) scans and physical findings at the time of surgery, along with new advanced techniques, now allow for discrete partial anatomic resections, which may preserve normal lung. This study evaluates the feasibility and early results using these techniques in selected cases. Patients and Methods: With institutional review board approval, the records of all patients undergoing thoracoscopic lung resection were reviewed. From January 2006 to December 2012, 23 patients, ranging from 1 month to 16 years of age and weighing 3.8-42 kg, underwent thoracoscopy for planned resection. Pathology was congenital cystic lung disease in 19 patients, bronchiectasis in 3 patients, and arteriovenous malformation in 1 patient. In each case findings on CT scan and at the time of surgery warranted consideration of lung-preserving surgery. Procedures were performed through three ports using single lung ventilation and CO2 insufflation to achieve lung collapse. The LigaSure device (Covidien, Norwalk, CT) was the primary instrument used to seal and divide the lung parenchyma and seal vessels. Results: All procedures were completed successfully thoracoscopically. An anatomic segmental resection was achieved in 22 of 23 cases. Operative time ranged from 30 to 300 minutes (mean, 120 minutes). Segmental resections included the left upper lobe apical/posterior (n = 4), lingula (n = 3), left lower lobe superior (n = 5), medial or posterior basal (n = 3), right middle lobe medial (n = 1), right upper lobe apical (n = 1), right lower lobe superior (n = 4), and posterior basal (n = 2). Two patients had more than one segment excised. Chest tubes were left in for 24 hours in 16 cases, 48 hours in 4 cases, and 5 days in 1 case. Hospital stay ranged from 1 to 6 days (mean, 2 days). Follow-up CT scans obtained at 1-6 years (mean, 28 months) show no residual disease in 20 of 21 patients. One patient underwent a nonanatomic resection and had evidence of recurrent congenital pulmonary airway malformation at the 4-year follow-up. This patient underwent a secondary thoracoscopic resection. Conclusions: Thoracoscopic lung-conserving therapy is technically feasible and safe in infants and children. The magnification provided by a thoracoscopic approach makes identification of segmental anatomic planes easier, aiding in safe dissection and resection. Anatomic resection appears to be associated with a low morbidity. It may be appropriate in the case of bilateral or extensive disease or in cases where the diseased tissue is clearly limited to an anatomic segment. Continued long-term follow-up is needed. [ABSTRACT FROM AUTHOR]

Background: Previous analyses of the safety of the conservative versus the operative approach to the treatment of liver and spleen blunt injuries in children often failed to account for differences in quality of care and expertise among dedicated pediatric trauma center, non-pediatric centers, centers without trauma units, and non-trauma centers. To eliminate this potential bias, the present study examined changes in the rate of surgery and their impact on outcome within the same medical centers over time.Methods: The Israel Trauma Registry was searched for patients <18 years who were treated for non-penetrating liver or spleen injuries from 1998 to 2004. Patients were grouped by period, 1998-2000 and 2001-2004, and compared for type of injury, severity of injury, type of treatment, and inpatient mortality.Results: The earlier period (1998-2000) was characterized by a significantly higher rate of operations compared with the later period (2001-2004) (P = 0.001) and higher in-hospital mortality (P = 0.04). Injury severity scores, type of organs injured, and accompanying injuries were similarly distributed in the two groups.Conclusions: Despite the similarity in the severity and characteristics of the intraabdominal injuries in 1998-2000 and in 2001-2004, the proportion of children treated conservatively increased over time, concomitant with a significant drop in inpatient mortality. We attribute this shift over a relatively short interval to increased experience and greater acceptance of conservative management in this setting. [ABSTRACT FROM AUTHOR]

The closed or "Nuss" repair of pectus excavatum is widely accepted for correction of moderate to severe deformities. Patients typically report significant subjective improvements in pulmonary symptoms, and short and medium term evaluations (up to 2 years with the bar in place) suggest modest improvement to cardiac function but a decrease in pulmonary function. This study examined the effects at 3 months post-bar removal of closed repair of pectus on pulmonary function, exercise tolerance and cardiac function. Patients were followed prospectively after initial evaluation for operation. All patients underwent preoperative and post-bar removal evaluation with CT scan, complete pulmonary function and exercise testing to anaerobic threshold, as well as echocardiogram. Twenty-six patients have completed the follow up protocol. Preoperative CT index was 4.5 +/- 1.3, average age at operation was 13.2 years, and average tanner stage was 3.5 +/- 0.5. At 3 months or greater follow-up post-bar removal, patients reported an improvement in subjective ability to exercise and appearance (P < 0.05 by wilcoxin matched pairs). Objective measures of FEV1, total lung capacity, diffusing lung capacity, O(2) pulse, VO(2max), and respiratory quotient all showed significant improvement compared to preoperative values, while normalized values of cardiac index at rest did not (All values normalized for height and age, comparisons P < 0.05 by student's paired t test). These results demonstrate a sustained improvement in cardiopulmonary function after bar removal following closed repair of pectus excavatum. These findings contrast with results from previous studies following the open procedure, or with the closed procedure at earlier time points; the long term physiological effects of closed repair of pectus excavatum include improved aerobic capacity, likely through a combination of pulmonary and cardiac effects. [ABSTRACT FROM AUTHOR]

Presents a case report of pancreatic sarcoidosis mimicking a malignant tumor. Overview of sarcoidosis; Possibility of finding microscopic involvement of the pancreas without any clinical signs in patients with generalized sarcoidosis; Importance of ruling out the presence of a neoplasm.