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Thomas J. Wilson, R. Shane Tubbs and Lynda J. S. Yang

present, this muscle replaces Osborne's ligament and spans from the medial epicondyle of the humerus to the olecranon process of the ulna and serves as the roof of the cubital tunnel ( Fig. 1 ). Several case reports and case series have reported cubital tunnel syndrome secondary to an anconeus epitrochlearis. 8 , 9 , 13 , 15 , 19 It is not an infrequent variant, and if it is truly a risk factor for ulnar neuropathy, then one would expect it to be frequently reported. On the contrary, however, reports of ulnar neuropathy secondary to the presence of an anconeus

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R. Shane Tubbs, Marios Loukas, James D. Callahan and Aaron A. Cohen-Gadol

data: Tubbs. Analysis and interpretation of data: all authors. Drafting the article: Cohen-Gadol. Tubbs. Critically revising the article: all authors. Reviewed final version of the manuscript and approved it for submission: all authors. References 1 Boockvar JA , Philips MF , Telfeian AE , O'Rourke DM , Marcotte PJ : Results and risk factors for anterior cervicothoracic junction surgery . J Neurosurg 94 : 1 Suppl 12 – 17 , 2001 2 Calliauw L , Dallenga A , Caemaert J : Trans-sternal approach to intraspinal tumours in the upper

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Joshua J. Chern, Markus Bookland, Javier Tejedor-Sojo, Jonathan Riley, Mohammadali M. Shoja, R. Shane Tubbs and Andrew Reisner

myelomeningocele were categorized. A categorical variable was defined for surgeries in which length was > 1 SD above the average. Statistical Methods Statistical analysis was performed with IBM SPSS Statistics version 20. The associations between dichotomous variables were analyzed with the Fisher exact test. Binary logistic regression analysis was used to assess whether significant risk factors identified from univariate analysis independently contributed to the increased hazard of dependent variables. The LOS (in days) and procedure length (in minutes) were analyzed as

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Meysam A. Kebriaei, Mohammadali M. Shoja, Steven M. Salinas, Kristina L. Falkenstrom, Eric A. Sribnick, R. Shane Tubbs, Andrew Reisner and Joshua J. Chern

M ultiple studies have identified risk factors associated with CSF shunt infection, and a large number of these studies were based on a “pediatric” cohort of patients between the ages of 0 and 18 years. One potential problem with grouping all these patients together is that there are often risk factors that are highly intercorrelated and distributed in a nongaussian fashion with respect to age. For example, prematurity, intraventricular hemorrhage, and body weight at the time of initial shunt insertion are intercorrelated factors that are more relevant if

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Paul M. Foreman, Michelle H. Chua, Mark R. Harrigan, Winfield S. Fisher III, R. Shane Tubbs, Mohammadali M. Shoja and Christoph J. Griessenauer

D elayed cerebral ischemia (DCI) is a recognized complication of aneurysmal subarachnoid hemorrhage (aSAH) that contributes to poor outcome and occurs in approximately 30% of patients. 17 , 19 , 20 Established risk factors for DCI include large amounts of subarachnoid blood and poor clinical condition on admission. 1 , 6 , 9 In an effort to identify patients at high risk for DCI-related infarction, de Rooij and colleagues developed a Practical Risk Chart (aka Model I) based solely on easily obtainable admission characteristics. 5 The model consists of 4

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Thomas D. Ryan, Reed A. Dimmitt, R. Shane Tubbs, O. Adetola Roberts, Hanseek Choi, Marios Loukas and Jeffrey P. Blount

liver for metabolism and contributed significantly to this infant’s recovery. References 1 Amar AP , Aryan HE , Meltzer HS , Levy ML : Neonatal subgaleal hematoma causing brain compression: report of two cases and review of the literature . Neurosurgery 52 : 1470 – 1474 , 2003 2 Chadwick LM , Pemberton PJ , Kurinczuk JJ : Neonatal subgaleal haematoma: associated risk factors, complications, and outcome . J Pediatr Child Health 32 : 228 – 232 , 1996 3 Davis DJ : Neonatal subgaleal hemorrhage: diagnosis and management . CJAM

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R. Shane Tubbs, Jeffrey R. Lancaster, Martin M. Mortazavi, Mohammadali M. Shoja, Joshua J. Chern, Marios Loukas and Aaron A. Cohen-Gadol

, one report found that the persistence of the sphenooccipital synchondrosis, aggravated by the coexistence of basilar invagination, resulted in stenosis at the foramen magnum. 1 Among developmental and acquired craniocervical junction disorders, achondroplasia is the most commonly reported, with a frequently associated stenotic foramen magnum. 3 , 5–8 The AP and horizontal diameters of the foramen magnum have been found to be independent risk factors in these patients, who often need craniocervical decompression. 3 , 9 , 10 , 17 , 18 The configuration of the

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Jeffrey P. Blount, R. Shane Tubbs, Mamehri Okor, Elizabeth C. Tyler-Kabara, John C. Wellons III, Paul A. Grabb and W. Jerry Oakes

paraplegia. Obesity is a separate, although frequently concomitant, risk factor. Any (ill-advised) attempts at local debridement by inexperienced providers may result in CSF leaks from the depths of infected decubiti. Because the tissue planes are distorted, the tissue is dysmorphic and closure is exceptionally difficult or impossible. We found in one patient that SCT through the most rostral normal planes allowed good control of the dural sleeve, with resultant cessation of CSF egress from the wound. Despite the favorable results of SCT, controversy surrounds the

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Robert P. Naftel, Joshua L. Argo, Chevis N. Shannon, Tracy H. Taylor, R. Shane Tubbs, Ronald H. Clements and Mark R. Harrigan

, Lamberti-Pasculli M : Risk factors for repeated cerebrospinal shunt failures in pediatric patients with hydrocephalus . J Neurosurg 92 : 31 – 38 , 2000 42 Turner RD , Rosenblatt SM , Chand B , Luciano MG : Laparoscopic peritoneal catheter placement: results of a new method in 111 patients . Neurosurgery 61 : 3 Suppl 167 – 174 , 2007 43 Yu S , Bensard DD , Partrick DA , Petty JK , Karrer FM , Hendrickson RJ : Laparoscopic guidance or revision of ventriculoperitoneal shunts in children . JSLS 10 : 122 – 125 , 2006

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Christoph J. Griessenauer, R. Shane Tubbs, Mohammadali M. Shoja, Joel Raborn, Christopher J. Boes, Martin M. Mortazavi and Giuseppe Lanzino

Adson added to this algorithm. 2 , 8–11 He also suggested that trauma may be a risk factor for certain tumors 2 , 12 and advocated for unilateral laminectomy for tumors of the cervical region to prevent vertebrae from sliding forward. For large dumbbell neurofibromas of the thoracic region, he performed laminectomy followed by thoracotomy. He described and applied several techniques to improve the outcome of surgery. Electrocoagulation became available 36 to control bleeding, and dural repair with animal membrane was used to prevent entrance of blood into the