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Chirag Patel

Andrew Scarsbrook, Sriram Vaidyanathan, Fahmid Chowdhury, Sarah Swift, Rachel Cooper, Chirag Patel
OBJECTIVES: To evaluate the utility of a standardized qualitative scoring system for treatment response assessment at 18F-FDG PET-CT in patients undergoing chemoradiotherapy for locally advanced cervical carcinoma and correlate this with subsequent patient outcome. METHODS: Ninety-six consecutive patients with locally advanced cervical carcinoma treated with radical chemoradiotherapy (CRT) in a single centre between 2011 and 2014 underwent 18F-FDG PET-CT approximately 3 months post-treatment...
October 14, 2016: European Journal of Nuclear Medicine and Molecular Imaging
Adam S Brown, Chirag J Patel
OBJECTIVE: Drug repositioning is a promising methodology for reducing the cost and duration of the drug discovery pipeline. We sought to develop a computational repositioning method leveraging annotations in the literature, such as Medical Subject Heading (MeSH) terms. METHODS: We developed software to determine significantly co-occurring drug-MeSH term pairs and a method to estimate pair-wise literature-derived distances between drugs. RESULTS: We found that literature-based drug-drug similarities predicted the number of shared indications across drug-drug pairs...
September 27, 2016: Journal of the American Medical Informatics Association: JAMIA
Yogen Patel, Alex B Behar, Chirag D Shah, Ravi E Kasi
No abstract text is available yet for this article.
September 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
Mateo Ziu, Ian F Dunn, Christopher Hess, Maria Fleseriu, Mary E Bodach, Luis M Tumialan, Nelson M Oyesiku, Kunal S Patel, Renzhi Wang, Bob S Carter, James Y Chen, Clark C Chen, Chirag G Patil, Zachary Litvack, Gabriel Zada, Manish K Aghi
BACKGROUND: Nonfunctioning pituitary adenomas (NFPAs) are the most frequent pituitary tumors. Due to the lack of hormonal hypersecretion, posttreatment follow-up evaluation of NFPAs is challenging. OBJECTIVE: To create evidence-based guidelines in an attempt to formulate guidance for posttreatment follow-up in a consistent, rigorous, and cost-effective way. METHODS: An extensive literature search was performed. Only clinical articles describing postoperative follow-up of adult patients with NFPAs were included...
October 2016: Neurosurgery
Clark C Chen, Bob S Carter, Renzhi Wang, Kunal S Patel, Christopher Hess, Mary E Bodach, Luis M Tumialan, Nelson M Oyesiku, Chirag G Patil, Zachary Litvack, Gabriel Zada, Manish K Aghi
BACKGROUND: The authors reviewed published articles pertaining to the preoperative imaging evaluation of nonfunctioning pituitary adenomas (NFPAs) and formulated recommendations. OBJECTIVE: To provide an exhaustive review of published articles pertaining to the preoperative imaging evaluation of nonfunctioning pituitary adenomas. METHODS: The MEDLINE database was queried for studies investigating imaging for the preoperative evaluation of pituitary adenomas...
October 2016: Neurosurgery
John Leppert, Chirag Patel
No abstract text is available yet for this article.
September 14, 2016: Nature
Guoyu Tao, Chirag G Patel
OBJECTIVES: To assess state variations in eligibility criteria based on enrollment length and sexual activity on chlamydia testing rates among Medicaid female enrollees aged 15 to 25 years and potential impact of the representatives of testing rates. METHODS: We used 2010 Medicaid Analytic eXtract to estimate and compare the overall and state-level prevalence of gaps in coverage of ≥ 2 consecutive months, service utilization associated with sexuality, and chlamydia testing rates among Medicaid female enrollees aged 15 to 25 years who had ≥ 1 month of the full scope of Medicaid benefits and had ≥ 1 health service claim...
October 2016: Sexually Transmitted Diseases
Chirag Kapoor, Maulik Jhaveri, Paresh Golwala, Aditya Merh, Amit Patel
The Achilles tendon is the strongest tendon in the body, which is commonly ruptured in male athletes. Bilateral rupture of the Achilles tendon is a rare condition with very few reported cases in the literature. It poses a challenge in management, and hence, we report a case with traumatic bilateral Achilles tendon rupture in a young male patient and its management. One side was treated conservatively as the rupture was partial and the other side, which had a complete tear, was operated. At nine months follow-up, the patient has had a satisfactory result and is now bearing full weight without any problems...
2016: Curēus
Ryan T Lewinson, Isabelle A Vallerand, Kelsey H Collins, J Preston Wiley, Victor M Y Lun, Chirag Patel, Linda J Woodhouse, Raylene A Reimer, Jay T Worobets, Walter Herzog, Darren J Stefanyshyn
Wedged insoles are believed to be of clinical benefit to individuals with knee osteoarthritis by reducing the knee adduction moment (KAM) during gait. However, previous clinical trials have not specifically controlled for KAM reduction at baseline, thus it is unknown if reduced KAMs actually confer a clinical benefit. Forty-eight participants with medial knee osteoarthritis were randomly assigned to either a control group where no footwear intervention was given, or a wedged insole group where KAM reduction was confirmed at baseline...
August 26, 2016: Gait & Posture
Samir V Patel, Sunny Jhamnani, Palak Patel, Rajesh Sonani, Chirag Savani, Nilay Patel, Nileshkumar J Patel, Sidakpal S Panaich, Mihir Patel, Schreiber Theodore, Cindy Grines, Apurva O Badheka
BACKGROUND: Since elective transcatheter aortic valve replacements (TAVRs) can be performed on the day of admission, i.e., Day 0, or on the next day of admission, i.e., Day 1, we sought to investigate if there is an advantage to either approach. METHODS: We performed a retrospective cohort study, using the Healthcare Cost and Utilization Project's Nationwide Inpatient Sample database of 2012 and identified subjects undergoing endovascular (Transfemoral/Transaortic) TAVRs using the ICD-9-CM procedure code of 35...
October 2016: Journal of Cardiac Surgery
Chirag B Patel, Bhavesh Trikamji, Glenn Mathisen, Catherine Yim, Brian Zipser, Shrikant Mishra
No abstract text is available yet for this article.
September 2016: Journal of Clinical Neuromuscular Disease
Chirag J Patel, Jianguang Ji, Jan Sundquist, John P A Ioannidis, Kristina Sundquist
It is a public health priority to identify the adverse and non-adverse associations between pharmaceutical medications and cancer. We search for and evaluate associations between all prescribed medications and longitudinal cancer risk in participants of the Swedish Cancer Register (N = 9,014,975). We associated 552 different medications with incident cancer risk (any, breast, colon, and prostate) during 5.5 years of follow-up (7/1/2005-12/31/2010) in two types of statistical models, time-to-event and case-crossover...
2016: Scientific Reports
Denise P McGinnis, John S Brownstein, Chirag J Patel
Identifying environmental exposures associated with blood pressure is a priority. Recently, we proposed the environment-wide association study to search for and replicate environmental factors associated with phenotypes. We conducted the environment-wide association study (EWAS) using the National Health and Nutrition Examination Surveys (1999-2012) which evaluated a total of 71,916 participants to prioritize environmental factors associated with systolic and diastolic blood pressure. We searched for factors on participants from survey years 1999-2006 and tentatively replicated findings in participants from years 2007-2012...
2016: Scientific Reports
Chi Gao, Chirag J Patel, Kyriaki Michailidou, Ulrike Peters, Jian Gong, Joellen Schildkraut, Fredrick R Schumacher, Wei Zheng, Paolo Boffetta, Isabelle Stucker, Walter Willett, Stephen Gruber, Douglas F Easton, David J Hunter, Thomas A Sellers, Christopher Haiman, Brian E Henderson, Rayjean J Hung, Christopher Amos, Brandon L Pierce, Sara Lindström, Peter Kraft
BACKGROUND: Adiposity traits have been associated with risk of many cancers in observational studies, but whether these associations are causal is unclear. Mendelian randomization (MR) uses genetic predictors of risk factors as instrumental variables to eliminate reverse causation and reduce confounding bias. We performed MR analyses to assess the possible causal relationship of birthweight, childhood and adult body mass index (BMI), and waist-hip ratio (WHR) on the risks of breast, ovarian, prostate, colorectal and lung cancers...
June 2016: International Journal of Epidemiology
Krunal Modi, Urvi Panchal, Shuvankar Dey, Chirag Patel, Anita Kongor, Himanshu A Pandya, V K Jain
A novel fluorescent thiacalix[4]arene-tetra-(quinoline-8-sulfonate) (TCTQ8S) was synthesized by condensation of thiacalix[4]arene (TCA) and 8-quinoline sulfonyl chloride(8QSC). TCTQ8S was characterized by ESI-MS, (1)H-NMR and (13)C-NMR spectroscopic methods. TCTQ8S was found to be an efficient "turn-off" fluorescent sensor for the selective and sensitive recognition of Co(II) ions. The Job's plot measurement reveals a 1:1 stoichiometric ratio. The designed chemosensor exhibited high selectivity toward Co(II) ions vs...
September 2016: Journal of Fluorescence
Benjamin S Glicksberg, Li Li, Marcus A Badgeley, Khader Shameer, Roman Kosoy, Noam D Beckmann, Nam Pho, Jörg Hakenberg, Meng Ma, Kristin L Ayers, Gabriel E Hoffman, Shuyu Dan Li, Eric E Schadt, Chirag J Patel, Rong Chen, Joel T Dudley
MOTIVATION: Underrepresentation of racial groups represents an important challenge and major gap in phenomics research. Most of the current human phenomics research is based primarily on European populations; hence it is an important challenge to expand it to consider other population groups. One approach is to utilize data from EMR databases that contain patient data from diverse demographics and ancestries. The implications of this racial underrepresentation of data can be profound regarding effects on the healthcare delivery and actionability...
June 15, 2016: Bioinformatics
R Shane Tubbs, Chirag Patel, Marios Loukas, Rod J Oskouian, Jens R Chapman
BACKGROUND: Traumatic atlanto-occipital dislocation is an uncommon, severely unstable pathology, which can lead to detrimental or even fatal neurological impairment. Specifically, children have consistently been reported to be more susceptible to this type of injury because of their disproportionately larger head, ligament laxity, and injury mechanisms. However, to date, rates of missed injury and outcomes including neurologic recovery of pediatric and adult populations following this insult have not been comparatively evaluated...
August 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
Sidakpal S Panaich, Nilay Patel, Shilpkumar Arora, Nileshkumar J Patel, Samir V Patel, Chirag Savani, Vikas Singh, Rajesh Sonani, Abhishek Deshmukh, Michael Cleman, Abeel Mangi, John K Forrest, Apurva O Badheka
Hospital volume is regarded amongst many in the medical community as an important quality metric. This is especially true in more complicated and less commonly performed procedures such as structural heart disease interventions. Seminal work on hospital volume relationships was done by Luft et al more than 4 decades ago, when they demonstrated that hospitals performing > 200 surgical procedures a year had 25%-41% lower mortality than those performing fewer procedures. Numerous volume-outcome studies have since been done for varied surgical procedures...
April 26, 2016: World Journal of Cardiology
Chirag H Patel, Kristin M Zimmerman, Jennifer R Fonda, Amy Linsky
BACKGROUND: Medication reconciliation to identify discrepancies is a National Patient Safety Goal. Increasing medication number and complex medication regimens are associated with discrepancies, nonadherence, and adverse events. The Medication Regimen Complexity Index (MRCI) integrates information about dosage form, dosing frequency, and additional directions. OBJECTIVE: This study evaluates the association of MRCI scores and medication number with medication discrepancies and commissions, a discrepancy subtype...
July 2016: Annals of Pharmacotherapy
Shifat Ahmed, Chirag Patel, Christopher Schmitt, Dipendra Parajuli
No abstract text is available yet for this article.
April 2016: ACG Case Reports Journal
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