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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: 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]

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]

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]

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]

Background: Preoperative preparation of patients with Crohn’s disease is challenging and there are no specific guidelines regarding nutritional support. The aim of this study was to assess whether preoperative nutritional support influenced the postoperative outcome. Methods: A retrospective, cohort study including all Crohn’s disease patients who underwent abdominal surgery between 2008 and 2014 was conducted. Patients’ characteristics and clinical and surgical data were recorded and analyzed. Results: Eighty-seven patients were included in the study. Thirty-seven patients (42.5%) received preoperative nutritional support (mean albumin level 3.14 vs. 3.5 mg/dL in the non-optimized group; p < 0.02) to optimize their nutritional status prior to surgery. Preoperative albumin level, after adequate nutritional preparation, was similar between the 2 groups. The 2 groups differ neither in demographic and surgical data, overall post-op complication (p = 0.85), Clavien-Dindo score (p = 0.42), and length of stay (p = 0.1). Readmission rate was higher in the non-optimized group (p = 0.047). Conclusion: Nutritional support can minimize postoperative complications in patients with low albumin levels. Nutritional status should be optimized in order to avoid hazardous complications. [ABSTRACT FROM AUTHOR]

Background: Gastrointestinal (GI) bezoars are the most common foreign bodies causing obstruction in the GI tract. They are frequently seen following upper GI tract surgery and surgical intervention is required often. The aim of this study is to describe the surgical management of GI bezoars.Materials and Methods: A retrospective cohort study, including all patients diagnosed with bezoars between May 2008 and May 2017, was conducted. Patient charts were reviewed, and demographics, clinical, surgical, and postoperative data were collected and analyzed.Results: Forty-five patients were included, with a mean age of 62.04 years (Range 18-91). Thirty patients underwent previous surgery (66.6%), most commonly surgical interventions for peptic ulcer disease (22 patients, 73.3%). Obstruction was most common in the ileum (27 patients, 60%). Thirty-nine patients (86.7%) required surgical intervention. Laparoscopy was attempted in 20 patients (51.2%), but conversion to open procedure was required in 11 patients (55%). Postoperative complication rate was 41%. No preoperative factors were found to be correlated with postoperative complications. Postoperative complications were associated with a longer length of stay (P = .006) and a higher readmission rate (P = .04). Patients treated with laparoscopy tended to have a lower BMI (P = .04), less previous surgeries (P = .04), and a bezoar located more proximally (P = .03), however, laparoscopy showed no benefit in complications rate, readmissions, and length of stay.Conclusions: GI bezoars require surgical intervention at high rates. Postoperative complications are common. Completion of an upper GI endoscopy is important and should be performed at an early stage of management. [ABSTRACT FROM AUTHOR]

Introduction: Laparoscopic adrenalectomy is the surgical treatment for various adrenal diseases. The procedure is a common surgical practice for urologists and general surgeons and requires fundamental laparoscopic skills, nowadays common in the surgical education of residents in these practices. The aim of this study is to assess whether laparoscopic adrenalectomy differs in outcome between certified and trained surgeons and surgical residents and whether the learning curve changes the endpoint of the surgery.Materials and Methods: A cohort retrospective study, including all adult patients who underwent laparoscopic adrenalectomy between June 2008 and June 2014, was conducted. Patients' demographic, clinical, and surgical data were recorded and analyzed.Results: Fifty-three patients were included in the database (21 men, 32 women) with a mean age of 54 years (range 17-77). The cause for surgery was most commonly a benign adrenal tumor (27 patients, 50.9%) followed by large nonfunctioning adrenal tumors (16 patients, 30.1%), and adrenal cancer (8 patients, 15%). Eighteen patients (33.9%) were operated by residents (4-6 years into the residency) and 35 patients by a certified senior surgeon (66.1%). Left-sided adrenalectomy was preferred to right-sided adrenalectomy for resident tutoring (P = .03). Overall, intraoperative complications were seen in 6 patients (11.3%) and postoperative complications were seen in 9 patients (16.9%). There were no differences in operation time (P = .36), intraoperative complications (P = .76), postoperative complications (P = .96), and length of stay (P = .34) between the patients operated by senior residents and certified surgeons.Conclusion: Laparoscopic adrenalectomy is a complex surgical procedure that should be a part of the surgical training of surgery residents, as it is safe in guided hands. [ABSTRACT FROM AUTHOR]

Background: ChatGPT has demonstrated notable capabilities and has gained popularity in various medical tasks, including patient education. This study evaluates the content and readability of ChatGPT's responses to parents' questions about congenital anomalies., Methods: Information on four congenital anomalies (congenital diaphragmatic hernia, esophageal atresia and tracheoesophageal fistula, anorectal malformation, and gastroschisis) was assessed. Seven questions frequently asked by parents were posed for each anomaly, and responses generated by GPT-4 were compared to online information sheets from three top pediatric medical centers. Two senior pediatric surgeons, blinded to the source, evaluated the answers based on accuracy, comprehensiveness, and conciseness. Reading time and readability of the answers were also assessed., Results: ChatGPT answered all 28 questions, while online information sheets varied in completeness. ChatGPT's responses were rated significantly higher regarding full accuracy, comprehensiveness, and conciseness compared to the online information sheets (p < 0.00001, <0.00001, 0.0002, respectively). Despite having longer reading times and more challenging to read, ChatGPT's responses were more precise and detailed., Conclusions: ChatGPT outperforms online information sheets in providing accurate, comprehensive, and concise answers about congenital anomalies. This positions ChatGPT as a beneficial supplementary resource in pediatric healthcare. Future research should explore real-world applications and usability among parents., Level of Evidence: Level III., Competing Interests: Conflict of interest The authors have no relevant financial or non-financial interests to disclose., (Copyright © 2024 Elsevier Inc. All rights reserved.)

Competing Interests: Conflicts of Interest: The authors have no conflicts of interest to declare.

Background: Although ablation therapy has been accepted as a promising and safe technique for treatment of unrespectable hepatic tumors, investigation of its complications has been limited. A physician who performs ablation treatment of hepatic malignancies should be aware of the broad spectrum of complications. Proper management is possible only if the physician Performing ablation understands the broad spectrum of complications encountered after ablation., Objectives: TO SYSTEMATICALLY REVIEW THE COMPLICATIONS AFTER DIFFERENT ABLATION MODALITIES: Radiofrequency ablation (RFA), microwave ablation (MWA) and Nano knife for the treatment of liver tumors and analyze possible risk factors that precipitate these complications., Search Methods: WE PERFORMED ELECTRONIC SEARCHES IN THE FOLLOWING DATABASES: MEDLINE, EMBASE and COCHARNE. Current trials were identified through the Internet (from January 1, 2000 to January 1, 2014). We included only studies who specific mentioned complications after liver ablation therapy (RFA/MWA/Nano knife)., Main Results: A total of 2,588 publications were identified, after detailed examination only 32 publications were included in the review. The included studies involved 15,744 participants. According to the type of technique, 13,044 and 2,700 patients were included for RFA and MWA. Analysis showed a pooled mortality of 0.15% for RFA, and 0.23% for MWA., Conclusions: This systematic review gathers information from controlled clinical trials and observational studies which are vulnerable to different types of bias, never the less RFA and MWA can be considered safe techniques for the treatment of liver tumors.

Expanded surgical intervention in colorectal liver metastasis (LM) and improved chemotherapy led to increasing problem of disappearing liver metastases (DLM). Treatment of those continues to evolve and poses a real challenge for HPB surgeons. This review discusses a clinical approach to DLM, emphasizing crucial steps in clinical algorithm. Particular issues such as imaging, intraoperative detection and surgical techniques are addressed. A step-by-step algorithm is suggested.

In the latest decades an important change was registered in liver surgery, however the management of liver cirrhosis or small size hepatic remnant still remains a challenge. Currently post-hepatectomy liver failure (PLF) is the major cause of death after liver resection often associated with sepsis and ischemia-reperfusion injury (IRI). ''Small-for-size'' syndrome (SFSS) and PFL have similar mechanism presenting reduction of liver mass and portal hyper flow beyond a certain threshold. Few methods are described to prevent both syndromes, in the preoperative, perioperative and postoperative stages. Additionally to portal vein embolization (PVE), radiological examinations (mainly CT and/or MRI), and more recently 3D computed tomography are fundamental to quantify the liver volume (LV) at a preoperative stage. During surgery, in order to limit parenchymal damage and optimize regenerative capacity, some hepatoprotective measures may be employed, among them: intermittent portal clamping and hypothermic liver preservation. Regarding the treatment, since PLF is a quite complex disease, it is required a multi-disciplinary approach, where it management must be undertaken in conjunction with critical care, hepatology, microbiology and radiology services. The size of the liver cannot be considered the main variable in the development of liver dysfunction after extended hepatectomies. Additional characteristics should be taken into account, such as: the future liver remnant; the portal blood flow and pressure and the exploration of the potential effects of regeneration preconditioning are all promising strategies that could help to expand the indications and increase the safety of liver surgery.

Aims: Infective endocarditis is a serious disease with diverse clinical manifestations. The aim of this work was to analyse vegetations' size in relation to the clinical presentation, course of the disease, and the type of the microorganism., Methods and Results: A total of 146 patients with definite diagnosis of infective endocarditis were identified at Assaf Harofeh Medical Center during the years 1998 to 2010. Of them in 102 patients accurate vegetations' size was available. The data of these patients were collected and analysed. Twenty-three per cent of patients died, embolic complications occurred in 20.6% of patients, 16% of patients underwent surgery. Large vegetations (≥1 cm) occurred in 46 patients. Older patients (>60 years) with large vegetations had significantly increased risk of mortality 38% (P< 0.05). The strongest independent predictor of mortality was MRSA endocarditis (45%, P= 0.01), followed by staphylococcal endocarditis associated with large vegetations (43%, P= 0.01), or with older age (41%, P= 0.01). The combination of staphylococcal endocarditis with large vegetations in the older patients was associated with mortality risk of 50%, P= 0.02. Large vegetations were associated with high incidence of abscess formation (17%, P< 0.001), especially in combination with MRSA (27%, P= 0.01), diabetes (25%, P< 0.02), and older age (30%, P= 0.01)., Conclusion: Our results indicate that in patients with infective endocarditis the strongest predictor of mortality is MRSA infection, followed by staphylococcal infection especially in association with older age or with large vegetations. Older patients with large vegetations are also in significant risk of mortality. In these groups of patients surgery should be considered early.