Publications by authors named "Christian O Twiss"

Purpose: Due to the reclassification of transvaginal mesh as a high-risk device, there has been renewed interest in the use of fascia lata in pelvic floor reconstruction. Here we report our experience in 108 patients who underwent large fascia lata harvest for pelvic organ prolapse (POP) repair. Our primary objective was to highlight the postoperative morbidity of the large fascia lata harvest in patients who underwent POP repair using fascia lata autograft.

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Objective: To develop a technique for open/robotic sacrocolpopexy using autologous fascia lata autograft. We report our experience in our first 34 patients.

Methods: The operation utilizes a 4-5-cm x 15-18-cm piece of fascia lata harvested through a 3-4-inch lateral upper thigh incision.

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Objective: To evaluate pain resolution and recurrent prolapse following removal of painful pelvic organ prolapse (POP) mesh.

Methods: This was an IRB-approved retrospective review of patients who underwent POP mesh removal from 2009 to 2018 for the primary indication of pain and/or dyspareunia. Factors of interest included mesh type, complete versus partial removal, presenting symptom(s), and recurrent prolapse.

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Objective: To assess the safety, feasibility and treatment outcomes of holmium laser enucleation of the prostate (HoLEP) as a same day surgery (SDS).

Methods: HoLEPs performed from November 2013 to December 2018 at our institution were reviewed retrospectively. Inclusion criteria for same day surgery (SDS) included living in the local metropolitan area with access to local hospital and Eastern Cooperative Oncology Group (ECOG) 0-2, regardless of prostate size and anticoagulation status.

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Objective: To address renewed interest in nonmesh transvaginal Pelvic Organ Prolapse (POP) repair since the FDA reclassification of transvaginal mesh, our goal was to develop a transvaginal sacrospinous fixation for anterior and apical POP using only autologous fascia lata. We report our experience in 33 patients.

Methods: Autologous Anterior and Apical Pelvic Organ Prolapse (AAA-POP) repair utilizes a 4 × 14 cm piece of fascia lata harvested through a 3-4-inch upper thigh incision.

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Purpose: The physical examination and pelvic imaging with MRI are often used in the pre-operative evaluation of pelvic organ prolapse. The objective of this study was to compare grading of prolapse on defecography phase of dynamic magnetic resonance imaging (dMRI) with physical examination (PE) grading using both the Pelvic Organ Prolapse Quantification (POP-Q) staging and Baden-Walker (BW) grading systems in the evaluation of pelvic organ prolapse (POP).

Methods: We retrospectively reviewed the charts of 170 patients who underwent dMRI at our institution.

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: To identify various predisposing factors, the clinical presentation, and the management of vaginal mesh-related complications, with special emphasis on mesh exposure and the indications for and results of vaginal mesh removal. : A systematic literature review was performed using a search strategy based on the Preferred Reporting Items for Systematic Reviews and Meta-analyses criteria. PubMed was queried for studies regarding aetiology, risk factors, and management of vaginal mesh exposure from 1 January 2008 to June 2018.

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Posterior compartment vaginal prolapse can be approached with multiple surgical techniques, including transvaginally, transperineally, and transanally, repaired with either native tissue or with the addition of an augment. Augment material for posterior compartment prolapse includes biologic graft (dermal, porcine submucosal), absorbable mesh (Vicryl polyglactin), or nonabsorbable synthetic mesh (polypropylene). Anatomic success rates for posterior compartment repair with augment has ranged from 54% to 92%.

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Purpose: To evaluate the utility of a defecography phase (DP) sequence in dynamic pelvic floor MRI (DPMRI), in comparison to DPMRI utilizing only non-defecography Valsalva maneuvers (VM).

Materials And Methods: Inclusion criteria identified 237 female patients with symptoms and/or physical exam findings of pelvic floor prolapse. All DPMRI exams were obtained following insertion of ultrasound gel into the rectum and vagina.

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Objective: To compare dynamic magnetic resonance imaging (dMRI) defecography phase findings with physical examination (PE) grading in the evaluation of pelvic organ prolapse (POP).

Methods: We retrospectively reviewed 274 consecutive patients who underwent dMRI with defecography. Baden-Walker grading of POP, absolute dMRI values, and grading by dMRI were collected for anterior, apical, and posterior compartments.

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Introduction: Geriatric urological patients are at higher risk for postoperative morbidity and mortality compared to their younger counterparts because of an increased prevalence of comorbidities and functional impairments. A comprehensive preoperative evaluation is necessary to identify and address these issues, as well as to optimize perioperative physiological and functional status.

Methods: The presence of frailty in geriatric patients is an especially important indicator of increased perioperative surgical risk but frailty screening is poorly addressed in the majority of guidelines on preoperative screening.

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There are well established pressure flow criteria and nomograms for urinary obstruction in men. The pressure flow criteria for female urinary obstruction are not well established due to differences in female voiding dynamics as compared to men. Typically, other information such as radiographic data and clinical symptoms are needed to facilitate the diagnosis.

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Interstitial cystitis/painful bladder syndrome (IC/PBS) remains a prevalent, but untreated disease with a poorly understood pathophysiology. Nonetheless, four main processes currently appear to be involved in producing IC/PBS symptoms: (1) disruption of the bladder GAG/proteoglycan layer, (2) upregulated immune/inflammatory response, (3) neural upregulation, and (4) pelvic floor dysfunction. Current and emerging therapies aimed at these potential targets will be the focus of this review with an update on IC/PBS therapy.

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The effects of dietary manipulation of folate and methionine on plasma homocysteine (Hcy) and high-density lipoprotein cholesterol (HDL-C) levels in wild-type and apolipoprotein-E-deficient mice were determined. A low-folate diet with or without folate and/or methionine supplementation in drinking water was administered for 7 weeks. Fasted Hcy rose to 23 microM on a low-folate/high-methionine diet, but high folate ameliorated the effect of high methionine on fasted plasma Hcy to approximately 10 microM.

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Aims: We assessed the utility of three self-assessment instruments: the International Consultation on Incontinence Questionnaire-Short Form (ICIQ-SF), the post-operative Patient Global Impression of Improvement (PGI-I) score, and the International Prostate Symptom Score (IPSS) by correlating them with an objective outcome, the change in 24-hr pad weight, after a male perineal sling.

Methods: Twenty-six men with urodynamically confirmed stress incontinence underwent a male perineal sling. Patients were evaluated pre-operatively and post-operatively with a 24-hr pad test, IPSS and ICIQ-SF.

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