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Raymond J. Hah
Researcher at University of Southern California
Publications - 45
Citations - 392
Raymond J. Hah is an academic researcher from University of Southern California. The author has contributed to research in topics: Medicine & Lumbar. The author has an hindex of 8, co-authored 29 publications receiving 176 citations. Previous affiliations of Raymond J. Hah include Children's Hospital Los Angeles.
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Journal ArticleDOI
Reoperation Rates After Single-level Lumbar Discectomy.
Patrick Heindel,Alexander Tuchman,Patrick C. Hsieh,Martin H. Pham,Anthony D'Oro,Neil N. Patel,Andre M. Jakoi,Raymond J. Hah,John C. Liu,Zorica Buser,Jeffrey C. Wang +10 more
TL;DR: This study reports an overall 4-year reoperation rate of 12.2% after single-level discectomy, and a rate of progression to lumbar fusion following re-exploration discctomy of 38.4% within 4 years of reoperation.
Journal ArticleDOI
Lateral and Oblique Lumbar Interbody Fusion-Current Concepts and a Review of Recent Literature.
Raymond J. Hah,H. Paco Kang +1 more
TL;DR: Minimally invasive lumbar interbody fusion techniques continue to advance rapidly, and evidence-based risk-stratification systems are required to better guide both the patient and clinician in the joint decision-making process for the optimal surgical approach.
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The Clinical Correlations between Diabetes, Cigarette Smoking and Obesity on Intervertebral Degenerative Disc Disease of the Lumbar Spine.
Ande M. Jakoi,Gurpal S. Pannu,Anthony D'Oro,Zorica Buser,Martin H. Pham,Neil N. Patel,Patrick C. Hsieh,John C. Liu,Frank L. Acosta,Raymond J. Hah,Jeffrey C. Wang +10 more
TL;DR: The combination of smoking and obesity had a synergistic effect on increased rates of lumbar degenerative disc disease and diabetes, obesity and cigarette smoking each are significantly associated with an increased diagnosis ofLumbar disc degenerative disease.
Journal ArticleDOI
Frailty Syndrome and the Use of Frailty Indices as a Preoperative Risk Stratification Tool in Spine Surgery: A Review.
TL;DR: The use of a frailty index in preoperative risk stratification for elective spine procedures could serve multiple purposes, including screening for high-risk patients, enhancement of operative decision making, approximation of complication rate for informed decisionMaking, and refinement of perioperative care.
Journal ArticleDOI
The True Effect of a Lumbar Dural Tear on Complications and Cost.
TL;DR: Sustaining a dural tear while undergoing posterior lumbar spinal decompression and/or fusion for degenerative pathology significantly increased the risk of complications and increased length of stay, risk of readmission, and overall 90-day hospital cost.