Publications by authors named "Neel Iyer"

Background: Glucose-6-phosphate dehydrogenase (G6PD) deficiency is an X-linked recessive disorder that predisposes individuals to hemolysis due to an inborn error of metabolism. We performed a systematic literature review to evaluate G6PD deficiency as a possible etiology of nonimmune hydrops fetalis (NIHF) and severe fetal anemia.

Methods: PubMed, OVID Medline, Scopus, and clinicaltrials.

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Objectives: Our study evaluated if rapid inpatient titration of methadone for pregnant patients with opioid use disorder (OUD) improved outcomes without increasing the risk for overdose.

Methods: This is a retrospective cohort study of pregnant patients admitted for inpatient methadone titration from January 2020 to June 2022. Outcomes were compared between standard versus rapid titration protocols.

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Objective: Excess blood loss from obstetrical hemorrhage requires transfusion of donor blood, a finite resource. Intraoperative cell salvage collects a patient's own blood that has been lost during cesarean delivery and returns it to their own circulation. We performed a meta-analysis to examine the perioperative outcomes in patients receiving cell salvage at the time of cesarean delivery.

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Objective: There are over 145 million births worldwide, with over 30 million cesarean deliveries yearly. There are limited data comparing the perinatal and maternal outcomes between planned cesarean delivery and planned vaginal delivery. This study aimed to evaluate perinatal and maternal morbidity and mortality by meta-analysis of randomized controlled trials that randomly assigned patients to either planned cesarean delivery or planned vaginal delivery.

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Objective: We performed a systematic review to evaluate the clinical presentation and maternal and fetal outcomes in pregnancies with early-onset HELLP (hemolysis, elevated liver enzymes, and low platelets) syndrome.

Data Sources: PubMed, Ovid MEDLINE, Scopus, CINAHL, Cochrane Library, and ClinicalTrials.gov were queried from inception through January 1, 2023 with the following terms: "HELLP syndrome," "HELLP," "hemolysis, elevated liver enzymes, low platelets," "hemolysis, elevated liver enzymes, low platelets syndrome," "pre-viable," "peri-viable," "previable," "periviable," "first trimester," "second trimester," "before 23 weeks," "<23 weeks," "<23 week gestation," and "before 23 weeks gestation.

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We performed a systematic review of the literature to evaluate the incidence and types of lysosomal storage disorders (LSD) in case series of nonimmune hydrops fetalis (NIHF). PubMed, Ovid, and clinicaltrials.gov were reviewed for case series evaluating the workup of NIHF diagnosed in utero or in the neonatal period in human subjects from 1979 to August 2020.

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Aim: Our study prospectively evaluated dental development in children exposed to chemotherapy in utero compared with unexposed controls.

Design: Women who received chemotherapy while pregnant were enrolled in a research registry. After age two, each child's dentist was asked to complete a questionnaire about dental abnormalities and malformations, as well as for their unexposed siblings.

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Background/purpose: To report a case of unilateral chemosis, serous retinal detachment (SRD), and presumed bacillary layer detachment in pregnancy.

Methods: Clinical examination and multimodal imaging findings were reviewed and analyzed.

Results: A 17-year-old female patient with severe preeclampsia was found to have unilateral chemosis and bullous SRD.

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Objectives: To assess post-traumatic stress symptoms (PTSSs) in young adult survivors of childhood cancer not receiving survivorship care and to determine whether attending a survivorship-focused healthcare visit was associated with changes in PTSSs.

Sample & Setting: 44 young adult survivors from the Yale Cancer Center in Connecticut without prior survivorship clinic attendance.

Methods & Variables: As part of a larger trial, participants were randomized to a model of survivorship-focused health care.

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Background: Lymphedema is a poorly understood side effect of gynecologic cancer treatment. This study was designed to determine the prevalence of lower limb lymphedema (LLL) in a sample of ovarian cancer survivors via 3 different diagnostic methods and to assess the effect of a randomized exercise intervention.

Methods: Physically inactive ovarian cancer survivors (n = 95) were enrolled in a 6-month randomized trial of exercise (primarily brisk walking) versus attention control.

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Purpose: Focusing on primary care providers (PCPs) of known childhood cancer survivors, we used a mixed methods approach to understand providers' experiences with the survivorship care plan (SCP), as well as preferences and barriers regarding survivorship care.

Methods: The SCP was sent to 202 eligible PCPs of patients attending a regional survivorship clinic. The PCPs then completed quantitative postal surveys.

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Purpose: Improvement in health behaviors following cancer diagnosis may contribute to better prognosis and well-being. This study examines the prevalence of health behaviors in cervical cancer survivors who have completed treatment, and associations between health behaviors and quality of life (QOL).

Methods: We recruited 204 women who had completed treatment for cervical cancer to participate in a randomized counseling intervention.

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Therapy for childhood acute lymphoblastic leukemia (ALL) is associated with 5-year survival rates of ∼90% even after largely eliminating cranial radiation. This meta-analysis assesses the long-term neurocognitive functioning after chemotherapy-only regimens among survivors of childhood ALL. We conducted a systematic review to identify studies that evaluated long-term neurocognitive functioning following treatment of ALL by searching MEDLINE/PubMed, Database of Abstracts of Reviews of Effects, and secondary sources.

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Aims And Objectives: We explored perceptions about capnography for procedural sedation and barriers to use in a paediatric emergency department.

Background: Capnography is a sensitive monitor of ventilation and is increasingly being studied in procedural sedation. While benefits have been found, it has not gained wide acceptance for monitoring of children during sedation.

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Objectives: We investigated the perspectives of local health jurisdiction (LHJ) directors on coping mechanisms used to respond to budget reductions and constraints on their decision-making.

Methods: We conducted in-depth interviews with 17 LHJ directors. Interviews were audio recorded, transcribed, and analyzed using the constant comparative method.

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Objective: The objective of this study is to determine at what probability of thoracic aortic dissection (TAD) to use a computed tomographic angiography (CTA) or a d-dimer test.

Methods: We used decision analysis software to determine the testing threshold (TT) for 3 hypothetical decisions when evaluating for TAD: (1) no testing vs CTA, (2) no testing vs D-dimer, and (3) CTA vs D-dimer. One- and 2-way sensitivity analyses were performed to determine which variables were drivers of the TTs.

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