{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,18]],"date-time":"2026-09-18T01:51:25Z","timestamp":1789696285728,"version":"4.0.1"},"reference-count":31,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2017,1,15]]},"abstract":"<jats:sec>\n                    <jats:title>Study Design.<\/jats:title>\n                    <jats:p>A retrospective database review.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective.<\/jats:title>\n                    <jats:p>The aim of this study was to determine readmission reasons and rates following primary, elective anterior cervical spinal fusion surgery for cervical spondylosis and determine risk factors predicting increased risk of 30-day readmission in an exclusively elderly population.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Summary of Background Data.<\/jats:title>\n                    <jats:p>In the United States, there were almost 190,000 cervical spine procedures in 2009. Many cervical spine surgery patients are elderly, a demographic increasingly requiring surgery for degenerative cervical spine pathology. Unfortunately, this patient population is poorly studied, particularly concerning readmission rates.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods.<\/jats:title>\n                    <jats:p>Medicare data from 2005 to 2012 were queried for elderly patients (65\u201384 years) who underwent primary one to two and \u2265three-level anterior cervical spine fusion surgeries for cervical spondylosis. Forty-five thousand two hundred eighty-four patients treated with one to two-level and 12,103 patients with \u2265three-level anterior cervical fusion (ACF) were identified and included in two study cohorts. Reasons for and rates of readmission were determined within 30 days, 90 days, and one-year postoperatively. Risk factors for medical, surgical, and all 30-day readmissions were also determined, selecting from various comorbidities, demographics, and surgical variables.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results.<\/jats:title>\n                    <jats:p>Readmission rates of 1.0% to 1.4%, 2.7% to 3.6%, and 13.2% to 14.1% were observed within 30 days, 90 days, and one year. Within 30 days, over 30% of patients from both study cohorts were readmitted for surgical reasons. Of surgical reasons for 30-day readmission, hematoma\/seroma diagnoses were the most frequent (11.4%\u201315.4% of all readmissions). Male gender, diabetes mellitus, chronic pulmonary disease, obesity, and smoking history were all found to be predictive of all-cause readmissions.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion.<\/jats:title>\n                    <jats:p>Unplanned 30-day readmission rates following primary, elective ACF in elderly patients is low and often due to medical reasons. Frequent surgical reasons for 30-day readmission include hematoma\/seroma formation. Male gender and various comorbid diagnoses are significant predictors of all-cause readmissions within 30 days.<\/jats:p>\n                    <jats:p>\n                      <jats:bold>Level of Evidence:<\/jats:bold>\n                      3\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1097\/brs.0000000000001663","type":"journal-article","created":{"date-parts":[[2016,4,27]],"date-time":"2016-04-27T12:13:11Z","timestamp":1461759191000},"page":"78-84","source":"Crossref","is-referenced-by-count":23,"title":["Readmission Rates, Reasons, and Risk Factors Following Anterior Cervical Fusion for Cervical Spondylosis in Patients Above 65 Years of Age"],"prefix":"10.1097","volume":"42","author":[{"given":"Varun","family":"Puvanesarajah","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hamid","family":"Hassanzadeh","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Adam L.","family":"Shimer","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Francis H.","family":"Shen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anuj","family":"Singla","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","reference":[{"key":"R1-20240205","doi-asserted-by":"crossref","first-page":"1226","DOI":"10.1097\/BRS.0b013e31828be75d","article-title":"Epidemiological trends in cervical spine surgery for degenerative diseases between 2002 and 2009","volume":"38","author":"Oglesby","year":"2013","journal-title":"Spine"},{"key":"R2-20240205","doi-asserted-by":"crossref","first-page":"66","DOI":"10.1016\/j.surneu.2008.02.045","article-title":"National trends in spinal fusion for cervical spondylotic myelopathy","volume":"71","author":"Lad","year":"2009","journal-title":"Surg Neurol"},{"issue":"(suppl 2)","key":"R3-20240205","doi-asserted-by":"crossref","first-page":"139","DOI":"10.1007\/s00586-013-2781-x","article-title":"Prevalence of cervical spondylotic myelopathy","volume":"24","author":"Boogaarts","year":"2015","journal-title":"Eur Spine J"},{"key":"R4-20240205","doi-asserted-by":"crossref","first-page":"1651","DOI":"10.2106\/JBJS.L.00589","article-title":"Efficacy and safety of surgical decompression in patients with cervical spondylotic myelopathy: results of the AOSpine North America prospective multi-center study","volume":"95","author":"Fehlings","year":"2013","journal-title":"J Bone Joint Surg Am"},{"key":"R5-20240205","doi-asserted-by":"crossref","first-page":"348","DOI":"10.3171\/2010.10.SPINE091029","article-title":"Functional and clinical outcomes following surgical treatment in patients with cervical spondylotic myelopathy: a prospective study of 81 cases","volume":"14","author":"Furlan","year":"2011","journal-title":"J Neurosurg Spine"},{"key":"R6-20240205","doi-asserted-by":"crossref","first-page":"376","DOI":"10.5435\/00124635-200111000-00003","article-title":"Cervical spondylotic myelopathy: diagnosis and treatment","volume":"9","author":"Emery","year":"2001","journal-title":"J Am Acad Orthop Surg"},{"key":"R7-20240205","doi-asserted-by":"crossref","first-page":"921","DOI":"10.1177\/000348940311201102","article-title":"Dysphagia, hoarseness, and unilateral true vocal fold motion impairment following anterior cervical diskectomy and fusion","volume":"112","author":"Baron","year":"2003","journal-title":"Ann Otol Rhinol Laryngol"},{"key":"R8-20240205","doi-asserted-by":"crossref","first-page":"455","DOI":"10.1227\/01.neu.0000316013.97926.4c","article-title":"Cervical spondylotic myelopathy: complications and outcomes after spinal fusion","volume":"62","author":"Boakye","year":"2008","journal-title":"Neurosurgery"},{"key":"R9-20240205","doi-asserted-by":"crossref","first-page":"2062","DOI":"10.1097\/BRS.0000000000000606","article-title":"Increased risk of complications after anterior cervical discectomy and fusion in the elderly: an analysis of 6253 patients in the American College of Surgeons National Surgical Quality Improvement Program database","volume":"39","author":"Buerba","year":"2014","journal-title":"Spine"},{"key":"R10-20240205","doi-asserted-by":"crossref","first-page":"458","DOI":"10.1097\/00024720-200212000-00004","article-title":"Effects of surgical treatment for cervical spondylotic myelopathy in patients\u200a>\u200aor\u200a=\u200a70 years of age: a retrospective comparative study","volume":"15","author":"Hasegawa","year":"2002","journal-title":"J Spinal Disord Tech"},{"key":"R11-20240205","doi-asserted-by":"crossref","first-page":"2677","DOI":"10.1097\/00007632-199711150-00018","article-title":"Elective cervical discectomy in California: postoperative in-hospital complications and their risk factors","volume":"22","author":"Romano","year":"1997","journal-title":"Spine"},{"key":"R12-20240205","doi-asserted-by":"crossref","first-page":"10","DOI":"10.3171\/SPI\/2008\/9\/7\/010","article-title":"Impact of preoperative neurological status on perioperative morbidity associated with anterior and posterior cervical fusion","volume":"9","author":"Shamji","year":"2008","journal-title":"J Neurosurg Spine"},{"key":"R13-20240205","doi-asserted-by":"crossref","first-page":"342","DOI":"10.1097\/01.brs.0000254120.25411.ae","article-title":"Complications and mortality associated with cervical spine surgery for degenerative disease in the United States","volume":"32","author":"Wang","year":"2007","journal-title":"Spine"},{"key":"R17-20240205","doi-asserted-by":"crossref","first-page":"339","DOI":"10.1177\/1062860612462740","article-title":"Big things come in bundled packages: implications of bundled payment systems in health care reimbursement reform","volume":"28","author":"Delisle","year":"2013","journal-title":"Am J Med Qual"},{"key":"R18-20240205","doi-asserted-by":"crossref","first-page":"675","DOI":"10.1001\/jama.2011.123","article-title":"Thirty-day readmission rates for Medicare beneficiaries by race and site of care","volume":"305","author":"Joynt","year":"2011","journal-title":"JAMA"},{"key":"R19-20240205","doi-asserted-by":"crossref","first-page":"2051","DOI":"10.1016\/j.spinee.2013.11.042","article-title":"Complications, revision fusions, readmissions, and utilization over a 1-year period after bone morphogenetic protein use during primary cervical spine fusions","volume":"14","author":"Goode","year":"2014","journal-title":"Spine J"},{"key":"R20-20240205","doi-asserted-by":"crossref","first-page":"127","DOI":"10.1097\/BRS.0000000000000051","article-title":"Predictors of thirty-day readmission after anterior cervical fusion","volume":"39","author":"Lovecchio","year":"2014","journal-title":"Spine"},{"key":"R22-20240205","doi-asserted-by":"crossref","first-page":"1130","DOI":"10.1097\/01.mlr.0000182534.19832.83","article-title":"Coding algorithms for defining comorbidities in ICD-9-CM and ICD-10 administrative data","volume":"43","author":"Quan","year":"2005","journal-title":"Med Care"},{"key":"R23-20240205","doi-asserted-by":"crossref","first-page":"761","DOI":"10.1097\/BRS.0000000000000270","article-title":"Causes and risk factors for 30-day unplanned readmissions after lumbar spine surgery","volume":"39","author":"Pugely","year":"2014","journal-title":"Spine"},{"key":"R24-20240205","doi-asserted-by":"crossref","first-page":"1681","DOI":"10.1097\/BRS.0b013e31829c08c9","article-title":"Hospital readmission after spine fusion for adult spinal deformity","volume":"38","author":"Schairer","year":"2013","journal-title":"Spine"},{"key":"R25-20240205","doi-asserted-by":"crossref","first-page":"19","DOI":"10.14444\/2019","article-title":"Ninety-day readmissions after degenerative cervical spine surgery: a single-center administrative database study","volume":"9","author":"Akamnonu","year":"2015","journal-title":"Int J Spine Surg"},{"key":"R26-20240205","first-page":"540","article-title":"Anterior cervical spine surgery for degenerative disease: a review","volume":"55","author":"Sugawara","year":"2015","journal-title":"Neurol Medicochir"},{"key":"R27-20240205","doi-asserted-by":"crossref","first-page":"108","DOI":"10.2174\/1874325001206010108","article-title":"Airway compromise due to wound hematoma following anterior cervical spine surgery","volume":"6","author":"Palumbo","year":"2012","journal-title":"Open Orthop J"},{"key":"R29-20240205","doi-asserted-by":"crossref","first-page":"617","DOI":"10.2106\/JBJS.M.00666","article-title":"rhBMP use in cervical spine surgery: associated factors and in-hospital complications","volume":"96","author":"Jain","year":"2014","journal-title":"J Bone Joint Surg Am"},{"key":"R30-20240205","doi-asserted-by":"crossref","first-page":"1125","DOI":"10.1016\/j.spinee.2013.07.474","article-title":"Revision rates and complication incidence in single- and multilevel anterior cervical discectomy and fusion procedures: an administrative database study","volume":"14","author":"Veeravagu","year":"2014","journal-title":"Spine J"},{"key":"R31-20240205","doi-asserted-by":"crossref","first-page":"1259","DOI":"10.1001\/jama.2010.338","article-title":"Trends, major medical complications, and charges associated with surgery for lumbar spinal stenosis in older adults","volume":"303","author":"Deyo","year":"2010","journal-title":"JAMA"},{"key":"R32-20240205","doi-asserted-by":"crossref","first-page":"212","DOI":"10.1016\/j.amjopharm.2011.05.001","article-title":"Prevalence of diabetes and the burden of comorbid conditions among elderly nursing home residents","volume":"9","author":"Dybicz","year":"2011","journal-title":"Am J Geriatr Pharmacother"},{"key":"R33-20240205","doi-asserted-by":"crossref","first-page":"833","DOI":"10.1097\/BRS.0000000000000276","article-title":"Patient characteristics associated with increased postoperative length of stay and readmission after elective laminectomy for lumbar spinal stenosis","volume":"39","author":"Basques","year":"2014","journal-title":"Spine"},{"key":"R34-20240205","doi-asserted-by":"crossref","first-page":"606","DOI":"10.3171\/2014.3.SPINE13699","article-title":"Predictors of unplanned readmission in patients undergoing lumbar decompression: multi-institutional analysis of 7016 patients","volume":"20","author":"Kim","year":"2014","journal-title":"J Neurosurg Spine"},{"key":"R35-20240205","doi-asserted-by":"crossref","first-page":"622","DOI":"10.1097\/TA.0000000000000805","article-title":"ICD-9 diagnosis codes have poor sensitivity for identification of preexisting comorbidities in traumatic fracture patients: a study of the National Trauma Data Bank","volume":"79","author":"Samuel","year":"2015","journal-title":"J Trauma Acute Care Surg"},{"key":"R36-20240205","doi-asserted-by":"crossref","first-page":"E2","DOI":"10.3171\/2014.3.FOCUS1459","article-title":"Improving discharge data fidelity for use in large administrative databases","volume":"36","author":"Gologorsky","year":"2014","journal-title":"Neurosurg Focus"}],"container-title":["Spine"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.lww.com\/00007632-201701150-00006","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,2,4]],"date-time":"2024-02-04T20:05:04Z","timestamp":1707077104000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.lww.com\/00007632-201701150-00006"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2017,1,15]]},"references-count":31,"journal-issue":{"issue":"2","published-print":{"date-parts":[[2017]]}},"URL":"https:\/\/doi.org\/10.1097\/brs.0000000000001663","relation":{},"ISSN":["0362-2436","1528-1159"],"issn-type":[{"value":"0362-2436","type":"print"},{"value":"1528-1159","type":"electronic"}],"subject":[],"published":{"date-parts":[[2017,1,15]]}}}