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3 results on '"Joshua Loewenstein"'

1. Neurosurgery Case Review: Questions and Answers

Author

Christian A. Bowers, Flavio Giordano, Faisal Abdulhamid Farrash, Pascal M. Jabbour, Alan Siu, Ramez Malak, Donald C. Shields, Unwar Ul-Haq, Jared J. Marks, Francisco Sanz, Achal Patel, Edward C. Benzel, Nabeel S. Alshafai, Hasel W. Slone, Jason S. Goldberg, Fahad Eid Alotaibi, Mohammad Almubaslat, Kamlesh B. Patel, Glenn C. Hunter, Anna Zicca, Michel Lacroix, Ibrahim Althubaiti, H. Francis Farhadi, Ahmed Mohyeldin, Robert L. Tiel, Homoud Aldahash, Claude-Edouard Châtillon, Franco DeMonte, Ossama Al-Mefty, Roberto Rafael Herrera, Nicholas J. Erickson, Nazer H. Qureshi, André Beer-Furlan, Judith Marcoux, Abdulrahman Yaqub Alturki, Ahmed Alaqeel, Badih Daou, Turki Elarjani, Sandeep Mittal, Kathleen E. Knudson, Alvin Chan, Amin B. Kassam, Kelsey A. Walsh, Mohammed Alghamd, Alfio Spina, Richard Bucholz, Fred Gentili, Marguerite Harding, Ricardo L. Carrau, Alwin Camacho, Pablo González-López, Faisal Al-Otaibi, Cristian Gragnaniello, Abdulrahman J. Sabbagh, Asem Salma, Stephen J. Hentschel, Joung H. Lee, Fahad AlKherayf, Rory Mayer, Rihaf Algain, John Woulfe, Stephen M. Russell, Han Zhuang Beh, Perry S. Bradford, Andrew Smith, Frederick Boop, Jorge E. Isaza, Vishal Patel, Eddie Perkins, Abdulrahman Albakr, Ibrahim Omeis, Christopher D. Baggott, Kevin Petrecca, Bassem Yousef Sheikh, Shaymaa Al-Umran, Michele Bailo, Jonathon Lebovitz, Pratap Chand, Edgar Gerardo Ordóñez-Rubiano, Aaron S. Gaekwad, Mohammed Almekhlafi, Jonathan Yun, Dimitri Sigounas, Julius July, Joseph A. Shehadi, Gustavo D. Luzardo, Ennio Antonio Chiocca, Shaan M. Raza, Alberto L. Gallotti, Anup Aggarwal, Ali Luqman, Mohammad A. Aziz-Sultan, Isabella Esposito, Eka Julianta Wahjoepramono, Imad N. Kanaan, Abdulrazag Ajlan, Hosam Al-Jehani, Brian Gill, Jaime Gasco, Brian Seaman, William T. Couldwell, José Luis Ledesma, Gary L. Gallia, Ananth K. Vellimana, Mark G. Hamilton, Da’Marcus Baymon, Almunder Algird, Evan S. Marlin, Ahmad I. Lary, Rudiger Von Ritschl, Afnan Uthman Alkhotani, Kevin Phan, Ayman Abdullah Albanyan, Essam A. Al Shail, Joshua Loewenstein, Mohammad Misfer Alshardan, Denis Klironomos, Ehtesham Ghani, Hector P. Rojas, Jeffery Atkinson, Matthew D. Smyth, Eldad J. Hadar, Erol Veznedaroglu, Mark A. Mahan, Qasim Al Hinai, Iván Verdú-Martínez, Peter J. Mews, Mohamed A. Labib, Randy L. Jensen, Rahul Shah, Amal Mokeem, Rolando Del Maestro, Denis Sirhan, Albert M. Isaacs, José Luis Montes, Mariam Alrashid, Jason Tullis, Hussam Abou-Al-Shaar, Justin Reagan, Daniel S. Ikeda, Pietro Mortini, David Sinclair, Hubert Lee, Mazda K. Turel, Michael S. Taccone, Alexander Y. Lin, Stephano Chang, Patrick Kim, Paul Steinbok, Luke G. F. Smith, Sami Obaid, Ashwag Al-Qurashi, Andrew Shaw, Abdul Haseeb Naeem, Exequiel P. Verdier, Ahmed Jaman Alzahrani, Lahbib A. Soualmi, Remi Nader, Ralph J. Mobbs, Soha Abdu M. Alomar, Mohammed Saeed Bafaqeeh, Zachary N. Litvack, Weston T. Northam, Joaquin Hidalgo, Robert F. Keating, Amgad S. Hanna, Jared Fridley, Bassam M. J. Addas, Monish Maharaj, Diana Ghinda, Daniel M. Prevedello, John S. Myseros, Lorenzo Genitori, Layla Batarfi, Khalid N. Almusrea, Samer K. Elbabaa, Adam Sauh Gee Wu, Anthony M. T. Chau, Naif M. Alotaibi, Saleh S. Baeesa, Kimberly Hamilton, Franz L. Ricklefs, Hashem Al Hashemi, Lissa Marie Peeling, Gareth Rutter, Sohum Desai, Philippe Mercier, Daniel Branch, Jorge E. Alvernia, Craig C. Weinkauf, Sunil Kukreja, Michel W. Bojanowski, Paul W. Gidley, Reem Bunyan, Domenic P. Esposito, Salah Baz, Randall C. Edgell, Christopher Evan Stewart, Burak Sade, Frank Gerold, Ali Alwadei, Nancy McLaughlin, Christopher J. Winfree, Terence Verla, Marc-Elie Nader, Andrew Jea, Filippo Gagliardi, Jean-Pierre Farmer, Giuliana Rizzo, Jeffrey P. Mullin, Ahmed T. Abdelmoity, Eric P. Roger, Anish Sen, Ivona Nemeiko, Mahmoud AlYamany, Anthony J. Caputy, Peter Nakaji, Nirmeen Zagzoog, Charles B. Agbi, Khalid Bajunaid, Matthew Pierson, Juan Ortega-Barnett, Justine Pearl, Maqsood Ahmad, Abdulmajeed Alahmari, and Robert A. Moumdjian

Subjects
Questions and answers, medicine.medical_specialty, Medical education, business.industry, medicine, Neurosurgery, business, Neuroscience, Case review
Published
2020

2. Does communication between neurosurgeons and anesthesiologists improve preoperative efficiency?

Author

Carolyn Quinsey, Joshua Loewenstein, Anthony M. Asher, and Deen L. Garba

Subjects
medicine.medical_specialty, medicine.medical_treatment, Neurosurgical Procedures, Cohort Studies, 03 medical and health sciences, 0302 clinical medicine, Blood loss, Surveys and Questionnaires, Statistical significance, Humans, Medicine, Prospective Studies, Surgical checklist, Prospective cohort study, Craniotomy, Procedure time, Patient Care Team, business.industry, Communication, General Medicine, Checklist, Anesthesiologists, Neurosurgeons, 030220 oncology & carcinogenesis, Preoperative Period, Emergency medicine, Surgery, Neurology (clinical), Neurosurgery, business, 030217 neurology & neurosurgery
Abstract

Background Suboptimal communication can lead to preventable preoperative delays. In our study, we aimed to identify factors delaying surgery in the immediate preoperative period. Our outcomes of interest were the anesthesia release to incision time (RIT) and preoperative expectations of neurosurgery and anesthesia providers. Additionally, we introduced new communication goals prior to induction, to examine the impact on preoperative efficiency. Methods The study is a prospective cohort analysis evaluating communication in the immediate preoperative period. In 42 consecutive cranial neurosurgical cases, a questionnaire was given to neurosurgical and anesthesia providers, and their responses were recorded. Halfway through this study, a formal pre-induction checklist was implemented that included expected duration of surgery, expected blood loss, surgical positioning, and intraoperative medication requirements. Results Comparing the cohorts before and after implementing the checklist, no difference in release to incision time was observed. However, the difference in estimated procedure time was significantly decreased after implementation of the formal pre-induction checklist. Further, there was a trend towards better agreement in estimated blood loss, although results did not achieve statistical significance. These delays all demonstrated a statistically significant decrease after the new communication goals were executed. Conclusion While no statistically significant change in release to incision time was uncovered during our study, there was evidence that communication between teams improved after implementation of the checklist. Additionally, we observed less discrepancy in estimated case length and blood loss, suggesting focused communication goals aligned expectations of the neurosurgical and anesthesia teams.

Published
2021

3. Neonatal bilateral cerebral high flow fistulae leading to detection of a HHT-family carrier

Author

Hortensia Alvarez, Joshua Loewenstein, Carolyn Quinsey, and Muhammad H Niazi

Subjects
Pathology, medicine.medical_specialty, Genetic syndromes, business.industry, Infant, Newborn, Brain, Infant, Spinal cord, AV shunt, medicine.anatomical_structure, Spinal Cord, Arteriovenous Fistula, Mutation, Mutation (genetic algorithm), otorhinolaryngologic diseases, medicine, Humans, Telangiectasia, Hereditary Hemorrhagic, medicine.symptom, Child, High flow, Telangiectasia, business
Abstract

Cerebral and spinal cord high-flow arteriovenous fistulae (HFAVF) are part of the spectrum of lesions found in Hereditary Hemorrhagic Telangiectasia (HHT). HFAVF consist of communications between large arteries and veins without interposed nidi or capillary transitions. The association between HHT and cerebral or spinal HFAVF in children has been reported and suggested as a potential marker for HHT. We present a newborn with bilateral intracranial HFAVF tested positive for HHT1 and belonging to a family non known for carrying a HHT mutation. We also review reported cases of neonates and infants with cerebral and spinal HFAVF emphasizing their associations with genetic syndromes. Our aim is to add a new case to the pertinent literature and emphasize the need for molecular testing in children with spinal or brain HFAVF.

Published
2020

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