Juan Tejada

ORCID: 0000-0002-1374-1903
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About
Contact & Profiles
Research Areas
  • Intracranial Aneurysms: Treatment and Complications
  • Colorectal Cancer Screening and Detection
  • Genetic factors in colorectal cancer
  • Vascular Malformations Diagnosis and Treatment
  • Cerebrovascular and Carotid Artery Diseases
  • Esophageal and GI Pathology
  • Cancer, Lipids, and Metabolism
  • Lipoproteins and Cardiovascular Health
  • Gastric Cancer Management and Outcomes
  • Liver Disease Diagnosis and Treatment
  • Traumatic Brain Injury and Neurovascular Disturbances
  • Cholangiocarcinoma and Gallbladder Cancer Studies
  • Cerebral Venous Sinus Thrombosis
  • Bariatric Surgery and Outcomes
  • Cancer Diagnosis and Treatment
  • Neurological Complications and Syndromes
  • Colorectal and Anal Carcinomas
  • Gastrointestinal disorders and treatments
  • Eosinophilic Esophagitis
  • Metastasis and carcinoma case studies
  • Meningioma and schwannoma management
  • Eosinophilic Disorders and Syndromes
  • Tracheal and airway disorders
  • Diverticular Disease and Complications
  • Metabolism and Genetic Disorders

Eskenazi Health Foundation
2019-2024

Indiana University – Purdue University Indianapolis
2003-2024

Indiana University School of Medicine
2012-2024

Indiana University Health
2022-2024

Riley Hospital for Children
2012-2022

Eskenazi Health
2019

Albany Medical Center Hospital
2018

Creative Research Enterprises (United States)
2015-2018

Brooklyn Hospital Center
2012-2016

Montefiore Medical Center
2015

The clinical features of Hashimoto’s encephalopathy may be confused with those Creutzfeldt–Jakob disease (CJD).1 diagnosis associated thyroiditis is established by the detection antithyroid antibodies and variable degrees thyroid dysfunction.1,2 definitive CJD requires histologic confirmation. Nevertheless, in an adequate setting, presence 14-3-3 protein CSF a useful marker for vivo CJD, because false-positive results are seen disorders that usually not considered differential...

10.1212/wnl.54.7.1539 article EN Neurology 2000-04-11

Purpose Transverse sinus stenosis is commonly seen in patients with idiopathic intracranial hypertension. It not clear whether it the cause or result of Stenting for hypertension has been carried out several prior series. Our goal was to evaluate clinical and imaging follow-up results that underwent stenting this condition at our center. Materials Methods We reviewed clinical, venographic data who elective transverse during period from 2011 2017. Results In total, 18 were identified. The...

10.1177/1971400918782320 article EN The Neuroradiology Journal 2018-06-08

AIM:To examine the discrepancy, if any, between endoscopist's estimate and pathologist's measurement of colonic polyp size. METHODS:We retrospectively studied 88 patients who underwent colonoscopy with a clear unequivocal documentation size by both endoscopist pathologist.Endoscopist measurements were based on visual seen high definition screens.The was done our pathologists after formalin fixation.We compared to pathologist in order explore discordance two readings.Data regarding...

10.4253/wjge.v7.i8.824 article EN cc-by-nc World Journal of Gastrointestinal Endoscopy 2015-01-01

Spinal gout is not as rare was previously thought and mimics heterogeneous spinal conditions such rheumatoid, septic, seronegative arthropathies primary or secondary neoplasms. Imaging findings are nonspecific usually manifest late. In clinical settings, suspicious for gout, needle biopsy may help further characterization. A 57-year-old man with no significant past medical history presented in the emergency department severe non radiating low back pain of one week duration. His laboratory...

10.1177/197140091202500518 article EN The Neuroradiology Journal 2012-10-01

We are reporting a novel "off-label" use of lumen apposing metal stent (LAMS) for management refractory gastro-jejunal (GJ) anastomotic stricture after Roux-en-y gastric bypass (RYGB). With increasing prevalence obesity, bariatric surgery is performed more frequently than ever. RYGB one the most commonly procedures. GJ late complication this procedure. Our patient, seven years developed ulcer and subsequently not amendable to repeated pneumatic dilations. Instead using conventional fully...

10.4253/wjge.v10.i6.117 article EN cc-by-nc World Journal of Gastrointestinal Endoscopy 2018-06-14

Prostate cancer is the second most common cause of death in men United States. The sites metastasis include bone, lymph nodes, lung, liver, pleura, and adrenal glands, whereas metastatic prostate involving gastrointestinal tract has been rarely reported. A 64-year-old African-American man with a history presented anemia. He reported passing dark colored stools but denied hematemesis or hematochezia. Colonoscopy revealed circumferential nodularity, histology demonstrated carcinoma prostate....

10.5230/jgc.2014.14.4.271 article EN Journal of the Korean Gastric Cancer Association 2014-01-01

Introduction: Esophagitis caused by HSV is well documented in immunocompromised patients. It one of the AIDS defining illnesses however there are few cases immunocompetent Corticosteroids and chemotherapies known risk factors for visceral herpes infections. Steroids able to inhibit activation, proliferation differentiation all cells involved mounting an immune response, such as T cells. Chemotherapy agents have immunosuppressive effects cause loss normal esophageal mucosal integrity,...

10.14309/00000434-201610001-02641 article EN The American Journal of Gastroenterology 2016-10-01

Carotid web is increasingly recognized as the cause of ischemic embolic strokes in younger patients. The best way to treat carotid debatable and artery stenting (CAS) has been reported a treatment for only few case series. In this study we evaluate safety feasibility CAS symptomatic webs examined histopathology web.At our institution between 2017 2019, 10 consecutive patients with were treated. We retrospectively analyzed data patient demographics, clinical presentation, imaging, methodology...

10.1177/1591019920980271 article EN Interventional Neuroradiology 2020-12-15

Introduction: Laparoscopic adjustable gastric banding (also known as lap band) is a restrictive type of bariatric surgery. One its complications band slippage, which results in prolapse the stomach through band. We present patient with nausea and vomiting who was diagnosed slippage on esophagogastroduodenoscopy (EGD). Case Report: A 32-year-old woman admitted due to intractable for several days. Her past medical history significant gastroesophageal reflux disease, deep vein thrombosis, class...

10.1038/ajg.2016.375 article EN The American Journal of Gastroenterology 2016-09-29

This retrospective study evaluated the safety and feasibility of a new arterial femoral access closure device in neurointerventional procedures. The includes all consecutive adult patients who underwent arteriotomy with MynxGrip™ after Neurointerventional procedures performed between June December 2012. All had follow-up color Doppler ultrasound (US) within 48 hours procedure, which was independently interpreted by two experienced radiologists to evaluate for site complications. Device...

10.1177/159101991301900313 article EN Interventional Neuroradiology 2013-09-01

Introduction: Improved imaging modalities have led to an increased detection of intracranial aneurysms, many which are small. While studies shown that ruptured aneurysms small (≤7 mm), the natural history tiny (≤3 mm) particularly in certain locations such as middle cerebral artery (MCA) is thought be relatively benign with a reported rupture rate less than 0.5% per year. The objective this study evaluate safety and efficacy treatment unruptured MCA aneurysms. Methods: NVQI-QOD registry was...

10.1161/str.55.suppl_1.113 article EN Stroke 2024-02-01

INTRODUCTION: There is clinical equipoise regarding the best treatment for unruptured wide-necked middle cerebral artery (WN-MCA) aneurysms. METHODS: The NVQI-QOD registry was queried patients with WN-MCA Wide-neck defined as aneurysm neck = 4 mm or dome:neck ratio 2. Demographics, characteristics, and safety data were queried. Aneurysm occlusion status modified Rankin score (mRS) at discharge last follow up evaluated. Propensity matching utilized to match size, number of aneurysms treated,...

10.1227/neu.0000000000002809_155 article EN Neurosurgery 2024-03-15

BACKGROUND AND OBJECTIVES: Improved imaging modalities have led to an increased detection of intracranial aneurysms, many which are small. There is uncertainty in the appropriate management tiny aneurysms. The objective this study was use a large, multi-institutional NeuroVascular Quality Initiative-Quality Outcomes Database (NVQI-QOD) assess frequency, safety, and efficacy treatment tiny, unruptured middle cerebral artery (MCA) METHODS: registry queried for patients with MCA aneurysms who...

10.1227/neu.0000000000003283 article EN Neurosurgery 2024-11-21

Lumbar synovial cysts (LSC) that protrude into the spinal canal can cause lower back pain, neurogenic claudication, and radiculopathy. Often diagnosed in elderly population (typically ∼60 years of age) with a slight preponderance for females, their underlying etiology is thought to be due degeneration adjacent facet joint, most common location at level L4–L5. Treatment LSC conservative (with NSAIDs physical therapy), percutaneous rupture), or surgically decompression without fusion)....

10.1177/15910199241273973 article EN Interventional Neuroradiology 2024-08-21

Endovascular treatment of large complex morphology aneurysms is challenging. High recanalization rates have been reported with techniques such as stent-assisted coiling and balloon-assisted coiling. Flow diverter devices introduced to improve efficacy outcomes rates. Thromboembolic complications in-device stenosis are certainly more worrisome when bilateral internal carotid arteries has performed. This study aimed report our experience mid-term imaging follow-up staged Pipeline embolization...

10.1177/1591019919853586 article EN Interventional Neuroradiology 2019-06-03

Unruptured, wide-necked middle cerebral artery (WN-MCA) aneurysms have traditionally been considered ideal candidates for microsurgery (MS), although endovascular treatment (EVT) has dramatically increased in popularity with the advent of novel devices such as intrasaccular flow disruptors. The purpose this study was to evaluate safety and efficacy MS versus EVT unruptured WN-MCA aneurysms.

10.3171/2023.10.jns231659 article EN Journal of neurosurgery 2023-12-01

Intracranial arteriovenous malformations (AVMs) have a cumulative risk of hemorrhage and refractory seizures. Pre-surgical Onyx embolization cerebral AVMs improves clinical outcome. A 45-year-old man with history seizures was diagnosed Spetzler-Martin grade 4 AVM in the right occipital lobe. As per initial assessment, three to four sessions were required for adequate devascularization before offering either surgery or gamma knife treatment. We achieved 10% 70% first second stage Onyx18...

10.1177/197140091202500615 article EN The Neuroradiology Journal 2012-12-01
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