Publications by authors named "Jun Tashiro"

Article Synopsis
  • The diagnosis and management of biliary dyskinesia in children and adolescents is inconsistent, prompting a systematic review by the American Pediatric Surgical Association to create evidence-based recommendations.
  • The review focused on key areas such as diagnostic criteria, the need for cholecystectomy, and outcomes from surgical vs. non-surgical management, but found that diagnostic criteria are unclear and reliable predictors of treatment success are lacking.
  • Pediatric-specific guidelines are needed to clarify this condition, improve diagnostic processes, and determine effective management, along with calls for more prospective studies to identify which patients could benefit from surgery.
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Objective: Treatment of neonates with anorectal malformations (ARMs) can be challenging due to variability in anatomic definitions, multiple approaches to surgical management, and heterogeneity of reported outcomes. The purpose of this systematic review is to summarize existing evidence, identify treatment controversies, and provide guidelines for perioperative care.

Methods: The American Pediatric Surgical Association Outcomes and Evidence Based Practice Committee (OEBP) drafted five consensus-based questions regarding management of children with ARMs.

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Background: Significant variation in management strategies for lymphatic malformations (LMs) in children persists. The goal of this systematic review is to summarize outcomes for medical therapy, sclerotherapy, and surgery, and to provide evidence-based recommendations regarding the treatment.

Methods: Three questions regarding LM management were generated according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA).

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Article Synopsis
  • Istradefylline (IST) is investigated as an adjunctive treatment for Parkinson's disease (PD) to see if it can reduce the need for higher doses of levodopa, which is commonly linked to motor complications.
  • In a study with 114 PD patients experiencing wearing-off symptoms, those receiving IST required significantly less additional levodopa over 37 weeks compared to those who did not receive IST.
  • Patients treated with IST also showed improvements in motor functions measured by rating scales and wearable devices, suggesting that IST may enhance symptom management without increasing levodopa dosage significantly.
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Background: Total colectomy is the standard treatment for familial adenomatous polyposis (FAP). Recently, an increasing number of young patients with FAP have requested the postponement of surgery or have refused to undergo surgery. We aimed to evaluate the effectiveness of intensive endoscopic removal for downstaging of polyp burden (IDP) in FAP.

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Background: Adolescent obesity is multifactorial, but parental history is the most significant risk factor. Laparoscopic sleeve gastrectomy (LSG) is part of the multidisciplinary approach to adolescent weight loss.

Objective: We aimed to evaluate the effects of parental history of bariatric surgery, as well as age at time of operation, on adolescents who underwent LSG at our institution.

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Background: Levodopa remains the most effective symptomatic treatment for Parkinson's disease (PD) more than 50 years after its clinical introduction. However, the onset of motor complications can limit pharmacological intervention with levodopa, which can be a challenge when treating PD patients. Clinical data suggest using the lowest possible levodopa dose to balance the risk/benefit.

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Background: Published data demonstrate that management of uncomplicated pediatric appendicitis with antibiotics-alone is safe and frequently successful. Randomized controlled trials (RCT) comparing antibiotics-alone to appendectomy are lacking, alongside insight into drivers of failure. We sought to validate the antibiotics-alone approach and identify barriers to success using an RCT design.

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Article Synopsis
  • Achalasia is a rare condition in children that impairs esophageal motility, leading to symptoms like difficulty swallowing, regurgitation, and chest pain due to the lower esophageal sphincter not relaxing properly.
  • Diagnostic methods include traditional approaches like upper endoscopy and esophageal manometry, along with newer technology like high-resolution manometry and endoscopic functional imaging.
  • Treatment options span from non-invasive methods like balloon dilations and botulinum toxin injections to surgical procedures like the laparoscopic Heller myotomy and the emerging per oral endoscopic myotomy (POEM), with ongoing research aimed at improving effectiveness and reducing risks.
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Introduction: Shock-index (SI) and systolic blood pressure (SBP) are metrics for identifying children and adults with hemodynamic instability following injury. The purpose of this systematic review was to assess the quality of these metrics as predictors of outcomes following pediatric injury.

Materials And Methods: We conducted a literature search in Pubmed, SCOPUS, and CINAHL to identify studies describing the association between shock metrics on the morbidity and mortality of injured children and adolescents.

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Background: The only established treatment for preventing colorectal cancer in patients with familial adenomatous polyposis (FAP) is colectomy, which greatly reduces patient quality of life. Thus, an alternative method is warranted. In this trial, we aimed to clarify the individual and joint effects of low-dose aspirin and mesalazine on the recurrence of colorectal polyps in Japanese patients with FAP.

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Spontaneous bile duct rupture is a rare condition in adults, with only 70 cases reported. Increased bile duct wall pressure may lead to rupture and biliary peritonitis. In this patient, the bile duct ruptured in the hepatic left triangular ligament.

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Purpose: Adnexal torsion is a gynecologic emergency, requiring intervention for tissue preservation. At our institution, torsion is managed by pediatric surgeons or gynecologists. We evaluated differences between specialties to streamline evaluation for children with gynecological emergencies, develop a clinical pathway, and prevent care delays.

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Purpose: For laparoscopic ablation to be successful, accurate placement of the needle to the tumor is essential. Laparoscopic ultrasound is an essential tool to guide needle placement, but the ultrasound image is generally presented separately from the laparoscopic image. We aim to evaluate an augmented reality (AR) system which combines laparoscopic ultrasound image, laparoscope video, and the needle trajectory in a unified view.

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As minimally invasive pediatric surgery becomes standard approach to many surgical solutions, access has become an important point for improvement. Laparoscopic cholecystectomy (LC) is the gold standard for many conditions affecting the gallbladder; however, open cholecystectomy (OC) is offered as the initial approach in a surprisingly high percentage of cases. The Kids' Inpatient Database (1997-2012) was searched for International Classification of Disease, 9th revision, Clinical Modification procedure code (51.

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Posterior sagittal anorectoplasty (PSARP) has been the standard for management of children with high anorectal malformations (ARMs). Recently, there has been an increase in the use of laparoscopy in its management. We analyzed the outcomes of laparoscopically assisted anorectal pull-through (LAARP) compared to PSARP using a large inpatient database.

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Objective: The use of laparoscopic sleeve gastrectomy (LSG) has risen steadily as a treatment for adolescents with obesity. This study determined whether obstructive biliary complications after rapid, LSG-related weight loss occur similarly in adolescents compared with adults.

Methods: Between 2010 and 2019, 309 patients underwent LSG.

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Article Synopsis
  • The study examines the impact of lymph node sampling (LNS) on disease-specific survival (DSS) in children and adolescents with extremity soft tissue sarcomas (STS).
  • Out of 1550 patients analyzed, the overall 10-year DSS was found to be 74%, with a notable difference for rhabdomyosarcoma (RMS) at 49%.
  • LNS negatively affected DSS in nonrhabdomyosarcoma patients but improved survival rates in those with RMS, indicating differing implications of LNS based on the type of sarcoma.
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Background: Most studies of readmission after trauma are limited to single institutions or single states. The purpose of this study was to determine the risk factors for readmission after trauma for mental illness including readmissions to different hospitals across the United States.

Materials And Methods: The Nationwide Readmission Database for 2013 and 2014 was queried for all patients aged 13 to 64 y with a nonelective admission for trauma and a nonelective readmission within 30 d.

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Purpose: We hypothesized that laparoscopic (LA) or open appendectomy (OA) outcomes in complicated appendicitis are associated with weekend vs. weekday procedure date.

Methods: We queried the Kids' Inpatient Database (1997-2012) for complicated (540.

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Article Synopsis
  • The study examines pediatric extremity melanoma using data from the SEER registry between 1973 and 2010, focusing on patients under 20 years old.
  • The research reveals that most children presented with localized disease and showed a 30-year disease-specific mortality rate of 7%, with certain factors like nodular histology and male gender correlating with lower survival rates.
  • Importantly, the findings indicate no significant survival advantage for children who underwent surgical sampling procedures (like sentinel lymph node biopsy) compared to those who did not.
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Aorto-enteric fistulae pose a challenging negative outcome of aortic intervention. Treatment involves graft excision, and recently, more enthusiasm has met in situ revascularization over extra-anatomic bypass. This has been traditionally performed through the transperitoneal approach via a midline abdominal incision.

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Background: To evaluate peritoneal drainage (PD) and laparotomy ± resection/ostomy (LAP) as initial approaches to the surgical management of necrotizing enterocolitis (NEC) in premature, extremely low birth weight (ELBW) infants.

Methods: Kids' Inpatient Database (2003-2012) was searched for cases of NEC (International Classification of Diseases, ninth revision, Clinical Modification [ICD-9-CM] 777.5x) in premature (<37 weeks), extremely low birth weight (<1000 g) infants.

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Introduction: Maxillary fractures are frequently managed depending on the surgeon's preferences, nature of the injury, presence of associated injuries, and comorbidities. Current literature advocates open reduction with plating versus closed techniques. However, data defining associated costs and complications comparing the 2 approaches remains lacking.

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