Publications by authors named "Amy Nowacki"

Objectives: To assess whether the effect of sarcopenia on neoadjuvant chemotherapy (NAC) toxicity is modified by borderline renal function (estimated glomerular filtration rate [eGFR] 40-65 mL/min) and whether sarcopenia and borderline renal function are independently associated with NAC toxicity risk.

Patients And Methods: All patients with muscle-invasive bladder cancer (MIBC) who underwent radical cystectomy (RC) between 2010 and 2022, with available cross-sectional imaging prior to NAC initiation, were included. Skeletal mass was measured from axial computed tomography images obtained at the level of the L3 vertebral body, using Aquarius Intuition software.

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Background: Breast reconstruction following mastectomy for the treatment of breast cancer restores form and enhances patient satisfaction. The Affordable Care Act (ACA) of 2010 aimed to impact trends in breast reconstruction, but recent information regarding racial and ethnic disparities is lacking.

Methods: We analyzed National Surgical Quality Improvement Program (NSQIP) data spanning 2005-2022 to investigate the impact of ACA on racial and ethnic diversity in immediate breast reconstruction post-mastectomy.

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  • The study evaluated an algorithm designed for diagnosing and managing idiopathic intracranial hypertension (IIH) in patients who had surgery for skull base meningoencephaloceles and experienced spontaneous cerebrospinal fluid (sCSF) leaks.
  • The researchers reviewed records from 80 patients treated between 2014 and 2021, measuring their opening pressure (OP) and categorizing them into high, intermediate, or low-risk groups based on the OP.
  • The findings revealed a VPS rate of 15%, with low recurrence rates for acute (3.8%) and remote CSF leaks (3.8%), highlighting the effectiveness of the proposed management strategy in understanding CSF dynamics in these patients.*
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  • Scientists studied why some patients lose a lot of blood during surgery for a brain tumor called meningioma.
  • They found that certain things, like how big the tumor is and its location, can help predict how much blood loss will happen.
  • Knowing these factors can help doctors prepare better before the surgery, keeping patients safer.
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Background: Older adults suffer from increased rates of dysphagia and dysphonia, both of which have a profound effect on quality of life and are often underdiagnosed. We sought to better understand the prevalence of these complaints and the potential utility of a patient-reported screening program in a geriatrics clinic.

Methods: Using an IRB-approved cross-sectional survey and retrospective cohort design, we recruited participants from a population of new patients seeking care at an academic geriatrics clinic.

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Objective: To compare patient satisfaction, health care resource utilization, and adverse events among patients receiving a virtual video compared with in-office postoperative visit after urogynecologic surgery. We hypothesized that virtual video visits would be noninferior to in-office visits.

Methods: This was a randomized noninferiority clinical trial of patients undergoing surgery for pelvic organ prolapse and urinary incontinence at a single academic tertiary referral center.

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Purpose: Postural Orthostatic Tachycardia Syndrome (POTS) is a heterogenous disorder of the autonomic nervous system that is often disabling. There are no FDA-approved therapies for the treatment of this condition. While some patients recover with baseline non-pharmacological intervention, others require repeated trials of off-label pharmacological therapies.

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Background And Objectives: Academic productivity is viewed as a critical objective factor for a neurosurgery residency applicant. There has been a consistent rise in academic productivity over the last decade, but a lack of consistent data on the utility of this in helping neurosurgery residency programs identify which applicants will enter academic neurosurgery. This cross-sectional study evaluates the predictiveness of academic productivity before and during residency on career choice, both independent and dependent of training environment.

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  • Ocular trauma significantly contributes to permanent vision loss in adults, and this study reviews the relationship between clinical examinations, imaging results, and visual acuity (VA) outcomes following such injuries.
  • The research analyzed records of adult patients with ocular trauma from 2013 to 2020, focusing on initial findings from various imaging techniques and how these correlated with patient recovery and visual outcomes.
  • Among the 136 traumas examined, patients with findings such as retinal or choroidal detachment exhibited notably worse vision at both 6 months and final evaluations, highlighting the importance of early imaging in guiding treatment and predicting prognosis.
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Objective: To investigate whether preoperative body morphometry analysis can identify patients at risk of parastomal hernia (PH), which is a common complication after radical cystectomy (RC).

Patients And Methods: All patients who underwent RC between 2010 and 2020 with available cross-sectional imaging preoperatively and at 1 and 2 years postoperatively were included. Skeletal muscle mass and total fat mass (FM) were determined from preoperative axial computed tomography images obtained at the level of the L3 vertebral body using Aquarius Intuition software.

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Objectives: Most renal tumors merely displace nephrons while others can obliterate parenchyma in an invasive manner. Substantial parenchymal volume replacement (PVR) by renal cell carcinoma (RCC) may have oncologic implications; however, studies regarding PVR remain limited. Our objective was to evaluate the oncologic implications associated with PVR using improved methodology including more accurate and objective tools.

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Background: The purpose of this study was to evaluate whether the 2023-2024 formulation of the coronavirus disease 2019 (COVID-19) messenger RNA vaccine protects against COVID-19.

Methods: Cleveland Clinic employees when the 2023-2024 formulation of the COVID-19 messenger RNA vaccine became available to employees were included. Cumulative incidence of COVID-19 over the following 17 weeks was examined prospectively.

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Purpose: The pathogenesis of age-related macular degeneration (AMD) involves aberrant complement activation and is a leading cause of vision loss worldwide. Complement aberrations are also implicated in many systemic immune-mediated inflammatory diseases (IMIDs), but the relationship between AMD and these conditions remains undescribed. The aim of this study is to first assess the association between AMD and IMIDs, and then assess the risk of AMD in patients with specific IMIDs associated with AMD.

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Background: Previous studies show increased morbidity in children who are HIV-exposed but uninfected (HEU) compared to children who are HIV-unexposed uninfected (HUU). We sought to evaluate the effects of prenatal HIV exposure on clinical and immunological outcomes in the first 24 months of life.

Methods: Eighty-five HEU and 168 HUU children from Kenya were followed from birth to 24 months.

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Objective: Postural Orthostatic Tachycardia Syndrome (POTS) is not an anxiety disorder, but it shares similar symptomatology. The impact of this comorbidity on management is unknown. This information may lead to better strategies to improve the care of this subgroup.

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Objective: The objective of this study was to gain a greater understanding of the burden of musculoskeletal disorders (MSDs) in spine surgeons, their impact on practice, and risk factors contributing to MSDs, including surgical instrument design and surgical ergonomics.

Methods: An anonymous REDCap survey was distributed via email to the departments of several academic and private centers across the United States, as well as to the AANS/CNS Women in Neurosurgery Section email list. Chi-square tests and Wilcoxon rank-sum tests were used to compare responses by gender.

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Background And Objective: Disorganization of retinal inner layers (DRIL) is a potential spectral-domain optical coherence tomography (SD-OCT) imaging biomarker with clinical utility in diabetic retinopathy (DR).

Patients And Methods: A cross-sectional study was conducted at a large academic center. The cohort was composed of 1,175 patients with type 2 diabetes with and without retinopathy on initial examination between September 2009 and January 2019 ( = 2,083 eyes).

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  • The study evaluates the importance of team science skills among collaborative biostatisticians, highlighting a gap in graduate programs which often emphasize technical skills over collaborative and leadership abilities.
  • A survey of 343 biostatisticians across various career stages and sectors identified 16 essential skills, with significant differences in skill importance based on career stage and degree.
  • The findings suggest the need for improved training opportunities in graduate programs and on-the-job initiatives to develop the necessary team science skills for a skilled quantitative workforce.
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Objective: Derive and externally validate a prediction model for pneumococcal urinary antigen test (pUAT) positivity.

Methods: Retrospective cohort study of adults admitted with community-acquired pneumonia (CAP) to 177 U.S.

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To investigate whether any systemic medical conditions may be associated with a higher risk for developing postinjection endophthalmitis. This case-control study is a retrospective review within the Emory Eye Center from 2009 to 2019 and The Cleveland Clinic Foundation from 2012 to 2019. Each case was matched in a 1:4 case-to-control ratio.

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Background: The CDC recently defined being "up-to-date" on COVID-19 vaccination as having received at least one dose of a COVID-19 bivalent vaccine. The purpose of this study was to compare the risk of COVID-19 among those "up-to-date" and "not up-to-date".

Methods: Employees of Cleveland Clinic in Ohio, USA, in employment when the COVID-19 bivalent vaccine first became available, and still employed when the XBB lineages became dominant, were included.

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  • Photodynamic therapy (PDT) is an effective and non-invasive treatment for actinic keratoses (AK) that has a variant called 'painless' PDT (p-PDT), which combines aminolevulinate incubation and blue light illumination.
  • A study involving 104 patients revealed that most experienced side effects, such as pain and erythema, 48 hours after p-PDT, with females reporting more intense symptoms compared to males.
  • The findings suggest that post-treatment inflammation is strongly linked to the severity of AK and may be necessary for the treatment's effectiveness.
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Background: Previous studies show increased morbidity in children who are HIV-exposed but uninfected (HEU) compared to children who are HIV-unexposed uninfected (HUU). We sought to evaluate the effects of prenatal HIV exposure on clinical and immunological outcomes in the first 24 months of life.

Methods: Eighty-five HEU and 168 HUU children from Kenya were followed from birth to 24 months.

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Objective: To identify patient factors associated with a clinically significant improvement in semen parameters among infertile men treated with the aromatase inhibitor anastrozole.

Design: Multi-institutional retrospective cohort study.

Setting: Two Tertiary Academic Medical Centers.

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