Publications by authors named "Ahmad Hider"

Article Synopsis
  • Early reoperation rates after sleeve gastrectomy (SG) and Roux-en-Y gastric bypass (RYGB) are low, but approximately 32% of reoperations after SG and 24% after RYGB happen within 24 hours due to complications like hemorrhage.
  • Factors such as older age, hypertension, and liver disease increase the risk of early reoperation, particularly in SG patients, and longer surgery times are a common factor for both procedures.
  • The findings suggest that patients with significant comorbidities should be carefully evaluated as candidates for same-day surgery due to the heightened risks associated with potential early complications.
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Background: Precise estimates of risk-adjusted increases in postoperative length of stay (LOS) associated with postoperative complications across a range of complications and operations are not available in the existing literature.

Methods: Associations between preoperative characteristics, postoperative complications and postoperative LOS were tested using medians, interquartile ranges, and nonparametric rank sum tests in a retrospective cohort study using the 2005-2018 American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP) dataset. A negative binomial model was used with postoperative LOS as the dependent variable and preoperative characteristics and postoperative complications as independent variables.

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Background: Laparoscopy training remains inaccessible in many low- and middle-income countries, including Liberia. We assessed the availability of laparoscopy and feasibility of implementing a laparoscopic program among Liberian surgeons and trainees.

Methods: This mixed-methods study utilized a 32-item survey and semi-structured interviews on laparoscopic experience, knowledge, desires, barriers, patient perceptions, and training opportunities among surgeons and trainees at Liberia's two main teaching hospitals in March 2023.

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Purpose: Differences in the utilization of carpal tunnel release (CTR) by Blacks and women are well documented, but less is known regarding the impact of patient-provider concordance on treatment recommendations. To investigate this, we surveyed hand surgeons using hypothetical scenarios to evaluate variations in treatment recommendations for carpal tunnel syndrome based on patient-related factors and patient-provider concordance.

Methods: Three pairs (six total) of hypothetical scenarios with clinical symptoms of carpal tunnel syndrome were created varying sex, race, and occupation.

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Introduction: Sex as a biologic variable remains largely understudied, even for the most commonly performed operations. The most effective treatment for obesity and obesity-associated comorbidities is bariatric surgery. There are limited data to describe potential differences in outcomes between male and female patients, particularly with regards to weight loss.

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Background: Roux-en-Y gastric bypass (RYGB) effectively treats severe obesity, but some patients may require revisional surgery like limb lengthening (LL) for postoperative weight gain.

Objectives: This study aims to compare 30-day serious complications and mortality rates between LL and primary RYGB, given limited safety data on LL.

Methods: Patients who underwent LL and RYGB were identified from the 2020 and 2021 MBSAQIP databases, the only years in which LL data were available.

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Objectives: To assess the body of literature examining episode-based bundled payment models effect on health care spending, utilization, and quality of care for surgical conditions.

Background Summary: Episode-based bundled payments were developed as a strategy to lower healthcare spending and improve coordination across phases of healthcare. Surgical conditions may be well-suited targets for bundled payments because they often have defined periods of care and widely variable healthcare spending.

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Introduction: Technical variation exists when performing the gastrojejunostomy during Roux-en-Y gastric bypass (RYGB). However, it is unclear whether changing technique results in improved outcomes or patient harm.

Methods: Surgeons participating in a state-wide bariatric surgery quality collaborative who completed a survey on how they perform a typical RYGB in 2011 and again in 2021 were included in the analysis (n = 31).

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Interpreting an electrocardiogram (ECG) is crucial for every physician. The physician's competency in ECG interpretation needs to be improved at any stage of medical education. The aim of the present study was to review the currently published clinical trials of ECG teaching to medical students and provide suggestions for future works.

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Background: Concurrent hiatal hernia repair (HHR) during laparoscopic sleeve gastrectomy (LSG) may improve gastroesophageal reflux disease (GERD) symptoms. However, patient-reported outcomes are limited, and the influence of surgeon technique remains unclear.

Objectives: To assess patient-reported GERD severity before and after LSG with and without concomitant HHR.

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Background: Same-day discharge after mastectomy without immediate reconstruction (MwoR) has been shown to be safe, with improved patient satisfaction when compared with patients discharged 1 or more days after surgery. Nevertheless, only 16% of patients undergoing MwoR in Michigan are discharged on the day of surgery, with significant variation between facilities (3-88%). Our objective was to explore determinants of same-day discharge and offer strategies for broader implementation of this practice.

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Background: Care fragmentation is associated with higher rates of infection after durable left ventricular assist device (LVAD) implant. Less is known about the relationship between care fragmentation and total spending, and whether this relationship is mediated by infections.

Methods: Total payments were captured from admission to 180 days post-discharge.

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Background: Over 150,000 carotid endarterectomies (CEA) are performed annually worldwide, accounting for $900 million in the United States alone. How cost/spending and quality are related is not well understood but remain essential components in maximizing value. We sought to identify determinants of variability in hospital 90-day episode value for CEA.

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Background: Improved health-related quality of life (HRQOL) is an important outcome following durable left ventricular assist device (LVAD) implant. However, half of pre-implant HRQOL data are incomplete in The Society of Thoracic Surgeons' Intermacs registry. Pre-implant HRQOL incompleteness may reflect patient status or hospital resources to capture HRQOL data.

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Background: Prior reviews investigated medical education developments in response to COVID-19, identifying the pivot to remote learning as a key area for future investigation. This review synthesized online learning developments aimed at replacing previously face-to-face 'classroom' activities for postgraduate learners.

Methods: Four online databases (CINAHL, Embase, PsychINFO, and PubMed) and MedEdPublish were searched through 21 December 2020.

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Children with cystic fibrosis (CF) (cwCF) suffer from inadequate weight gain, failure to thrive, and muscle weakness. The latter may be secondary to disuse atrophy (muscle wasting or reduction in muscle size associated with reduced physical activity and inflammation). Handgrip strength (HGS) is a reliable surrogate for muscle strength and lean body mass.

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Background: The COVID-19 pandemic spurred an abrupt transition away from in-person educational activities. This systematic review investigated the pivot to online learning for nonclinical undergraduate medical education (UGME) activities and explored descriptions of educational offerings deployed, their impact, and lessons learned.

Methods: The authors systematically searched four online databases and conducted a manual electronic search of MedEdPublish up to December 21, 2020.

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Background: The novel coronavirus disease was declared a pandemic in March 2020, which necessitated adaptations to medical education. This systematic review synthesises published reports of medical educational developments and innovations that pivot to online learning from workplace-based clinical learning in response to the pandemic. The objectives were to synthesise what adaptations/innovation were implemented (description), their impact (justification), and 'how' and 'why' these were selected (explanation and rationale).

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Background: COVID-19 has fundamentally altered how education is delivered. Gordon et al. previously conducted a review of medical education developments in response to COVID-19; however, the field has rapidly evolved in the ensuing months.

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Background: Malnutrition is associated with Cystic Fibrosis (CF) disease progression. That contributes to decreased lung function, poor quality of life, and increased morbidity and mortality. Appetite stimulants (AS) have been used to help increase caloric intake.

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To mediate the degradation of biomacromolecules, lysosomes must traffic towards cargo-carrying vesicles for subsequent membrane fusion or fission. Mutations of the lysosomal Ca(2+) channel TRPML1 cause lysosomal storage disease (LSD) characterized by disordered lysosomal membrane trafficking in cells. Here we show that TRPML1 activity is required to promote Ca(2+)-dependent centripetal movement of lysosomes towards the perinuclear region (where autophagosomes accumulate) following autophagy induction.

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