Publications by authors named "Olivia H Chang"

The impact of the (Dobbs) Supreme Court decision on training of United States Obstetrics and Gynecology (OBGYN) residents and fellows needs qualitative exploration. We aimed to describe how OBGYN residents and fellows feel their training may be affected. We disseminated a REDCap survey from September 19, 2022, to December 1, 2022, among OBGYN residents and fellows with open-ended questions querying trainees' opinions around how the Dobbs decision may affect their training and the field of OBGYN.

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Introduction: Up to 60% of women in the United States will experience a urinary tract infection (UTI) in their lifetime, making it one of the most common infections amongst women. This study aims to explore themes related to patient experiences and barriers to care when accessing and receiving care for recurrent UTIs (rUTIs).

Methods: This was a qualitative cohort study with a cross-sectional survey.

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Objective: The aim of the study was to synthesize the current literature and provide surgeons with data to inform counseling of eligible patients for uterine-preserving prolapse surgery (UPPS).

Methods: We compared UPPS to similar techniques incorporating hysterectomy, including native-tissue repairs by vaginal, laparoscopic, or open approach; mesh-reinforced repairs by vaginal, laparoscopic, or open approach; obliterative repairs; and the Manchester procedure. Reviewed outcomes include surgical and patient-reported outcomes, complications, uterine pathology, and sexual function.

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Objective: Hysterectomy is the second most common surgery performed among women in the United States. The associations between hysterectomy and the risk of pelvic floor disorders remain unclear. The objective of this study is to systematically review the associations between hysterectomy and the likelihood of pelvic floor disorders.

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Background: Interest in uterine-sparing procedures has increased due to the potential for lower blood loss and shorter operative time. Surgical efficacy of hysteropexy relative to traditional hysterectomy-based prolapse procedure remains uncertain over the long-term.

Objective: The objective of our study was to determine if there is a difference in the rate of surgical retreatment for prolapse after native-tissue apical prolapse surgery with hysterectomy vs uterine preservation.

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Importance: Restrictive physical activity after pelvic reconstructive surgery is recommended, although the optimal duration and intensity are not standardized.

Objective: This systematic review and meta-analysis aimed to evaluate the existing literature comparing clinical outcomes for liberal postoperative physical activity versus standard of care, defined as restricted postoperative physical activity, after pelvic reconstructive surgery.

Study Design: PubMed, CENTRAL, Scopus, Web of Science, and CINAHL databases were searched for observational and randomized studies comparing liberal postoperative physical activity and standard of care in women undergoing pelvic reconstructive surgery, reporting anatomic and functional outcomes.

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Importance: The genital hiatus (GH) has been identified as a predictor of pelvic organ prolapse. An enlarged preoperative GH is a risk factor for recurrent prolapse after surgery.

Objective: The objective of this study was to determine the changes in preoperative and postoperative GH size compared with the intraoperative resting GH at 6 weeks and 12 months after native-tissue pelvic organ prolapse surgery.

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We aimed to describe obstetrics and gynecology (OBGYN) trainees' anticipation of how the U.S. Supreme Court decision may affect their training.

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Article Synopsis
  • This study systematically reviewed research on how body mass index (BMI) affects the outcomes of pelvic organ prolapse (POP) surgery, seeking to understand the impact of obesity on surgical success.
  • The authors screened over 9,000 abstracts and included 31 articles in their analysis, focusing on different surgical approaches and outcomes related to obesity categories.
  • Findings indicated that patients with a BMI of 30 or higher faced higher odds of prolapse recurrence and complications, particularly with mesh exposure, after various types of POP repair surgery.
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Article Synopsis
  • - The study aimed to analyze the cost-effectiveness of polyacrylamide hydrogel urethral bulking compared to other treatments for stress urinary incontinence (SUI).
  • - Among the treatments evaluated, midurethral sling (MUS) showed the highest effectiveness followed closely by polyacrylamide hydrogel, with minimal differences in quality-adjusted life-years (QALYs).
  • - Polyacrylamide hydrogel becomes more cost-effective if over 58% of the procedures are done in-office, making it a reasonable option depending on patient preferences, even though MUS is the preferred treatment due to its higher effectiveness.
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Introduction And Hypothesis: To perform a cost-effectiveness analysis of concurrent posterior repair performed at the time of laparoscopic hysterectomy with sacrocolpopexy over a 7-year time period. We hypothesize it is not cost-effective to perform a posterior colporrhaphy.

Methods: We used TreeAge Pro® to construct a decision model with Markov modeling to compare sacrocolpopexy with and without concurrent posterior repair (SCP and SCP+PR) over a time horizon of 7 years.

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Objective: To conduct a systematic review to evaluate the effect of procedural interventions for leiomyomas on pelvic floor symptoms.

Data Sources: PubMed, EMBASE, and ClinicalTrials.gov were searched from inception to January 12, 2023, searching for leiomyoma procedures and pelvic floor disorders and symptoms, restricted to primary study designs in humans.

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Background: There is a need to determine how preoperative sexual activity, uterine preservation, and hysterectomy affect sexual function after pelvic organ prolapse surgery.

Aim: (1) To determine changes in sexual function in women, stratified by preoperative sexual activity status, after native-tissue pelvic organ prolapse surgery. (2) To examine the impact of hysterectomy and uterine preservation on sexual function.

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Objective: The objective of this study was to determine the incidence of successful bilateral salpingo-oophorectomy at the time of vaginal hysterectomy for pelvic organ prolapse and to evaluate associated factors and success rate over time.

Study Design: This was a retrospective chart review of all women who underwent vaginal hysterectomy for pelvic organ prolapse who were consented for bilateral salpingo-oophorectomy "if possible" and "including extraordinary measures" between 2014 and 2019 at a tertiary medical center. Baseline demographic data along with prolapse stage, operative findings, operative time, and complications were recorded.

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Study Objective: To determine predictors for placing high value on the uterus in patients who no longer desire fertility. The secondary objective was to identify reasons for placing high value on the uterus.

Design: Cross-sectional survey study.

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Introduction And Hypothesis: The aim of this video is to highlight important considerations and techniques for revision sacrocolpopexy in women with symptomatic recurrence of pelvic organ prolapse after sacrocolpopexy.

Methods: In this video, we show five patients who presented with recurrent symptomatic pelvic organ prolapse after prior sacrocolpopexy. We demonstrate techniques for robotic-assisted laparoscopic sacrocolpopexy revision including surgical dissection, revision of existing mesh, and/or addition of new mesh.

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Importance: The intraoperative resting genital hiatus (GH) size can be surgically modified but its relationship to prolapse recurrence is unclear.

Objectives: The objective of this study was to identify the optimal intraoperative resting GH size as it relates to prolapse recurrence and functional outcomes at 1 year.

Study Design: This prospective cohort study was conducted at 2 hospitals from 2019 to 2021.

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Background: Currently, there are no clear frameworks or tools to objectively or subjectively evaluate patient attitudes toward uterine preservation and how they influence the decision to proceed with hysterectomy vs uterine preservation when undergoing prolapse surgery.

Objective: This study aimed to develop a reliable and valid instrument to measure patients' valuation of their uterus.

Study Design: The Value of Uterus instrument was developed on the basis of existing literature and created with structured patient-reported outcome measurement development methodology.

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Article Synopsis
  • The study investigates whether unilateral salpingo-oophorectomy (surgery to remove one ovary and fallopian tube) is a more cost-effective approach than monitoring for asymptomatic endometriomas in women, considering the different risks associated with each option.
  • Researchers created a cost-effectiveness model to evaluate long-term outcomes for premenopausal women with two ovaries who do not want to have children, comparing mortality rates from ovarian cancer and risks related to surgical menopause.
  • Results indicate that the surgical option could potentially offer better outcomes, but the study also emphasizes the importance of considering financial impacts and the patient's specific circumstances before deciding on the treatment approach.
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Objective: The objective was to perform a cost-effectiveness analysis of posterior repair performed at the time of sacrocolpopexy (SCP).

Methods: We used TreeAge Pro to construct a decision model comparing laparoscopic hysterectomy with SCP with and without concurrent posterior repair (SCP and SCP + PR). Using a time horizon of 1 year, we modeled prolapse recurrence, prolapse retreatment, and complications, including rectal injury, rectovaginal hematoma requiring surgical take-back, and postoperative dyspareunia.

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Objective: To evaluate the perioperative outcomes of premenopausal women undergoing cystectomy or oophorectomy for ovarian endometriomas (OMAs) and other benign neoplasms.

Design: Retrospective cohort study.

Setting: Clinical database containing information from 580 US hospitals.

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Objective: The aims of the study were to determine whether symptomatic pelvic organ prolapse (POP) is a cause of subclinical renal impairment by characterizing baseline renal function in women undergoing surgical correction for POP and to assess the effect of surgical POP repair on estimated glomerular filtration rate (eGFR) postoperatively.

Methods: A prospective cohort study was designed to evaluate women undergoing surgical repair for at least stage II anterior or apical POP at a single institution. Data collected included preoperative serum creatinine values, patient demographics, and clinical risk factors for renal impairment.

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Study Objective: To determine the incidence of perioperative coronavirus disease (COVID-19) in women undergoing benign gynecologic surgery and to evaluate perioperative complication rates in patients with active, previous, or no previous severe acute respiratory syndrome coronavirus 2 infection.

Design: A multicenter prospective cohort study.

Setting: Ten institutions in the United States.

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