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| 1 | Diagnostic accuracy of endoscopic ultrasound in pancreatic neuroendocrine tumors: A systematic review and meta analysis显示文摘AIM: To detect pancreatic neuroendocrine tumors (PNETs) has been varied. This study is undertaken to evaluate the accuracy of endoscopic ultrasound (EUS) in detecting PNETs.METHODS: Only EUS studies confirmed by surgery or appropriate follow-up were selected. Articles were searched in Medline, Ovid journals, Medline nonindexed citations, and Cochrane Central Register of Controlled Trials and Database of Systematic Reviews. Pooling was conducted by both fixed and random effects model). RESULTS: Initial search identified 2610 reference articles, of these 140 relevant articles were selected and reviewed. Data was extracted from 13 studies (n = 456) which met the inclusion criteria. Pooled sensitivity of EUS in detecting a PNETs was 87.2% (95%CI: 82.2-91.2). EUS had a pooled specificity of 98.0% (95%CI: 94.3-99.6). The positive likelihood ratio of EUS was 11.1 (95%CI: 5.34-22.8) and negative likelihood ratio was 0.17 (95%CI: 0.13-0.24). The diagnostic odds ratio, the odds of having anatomic PNETs in positive as compared to negative EUS studies was 94.7 (95%CI: 37.9-236.1). Begg-Mazumdar bias indicator for publication bias gave a Kendall's tau value of 0.31 (P = 0.16), indication no publication bias. The P for χ2 heterogeneity for all the pooled accuracy estimates was > 0.10. CONCLUSION: EUS has excellent sensitivity and specificity to detect PNETs. EUS should be strongly considered for evaluation of PNETs. | Srinivas R Puli Nikhil Kalva Matthew L Bechtold Smitha R Pamulaparthy Micheal D Cashman Norman C Estes Richard H Pearl Fritz-Henry Volmar Sonu Dillon Michael F Shekleton David Forcione | 2013 | World Journal of Gastroenterology2013，19，23： | 14 |
| 2 | Effect of technical parameters on transjugular intrahepatic portosystemic shunts utilizing stent grafts显示文摘AIM: To assess the effect of technical parameters on outcomes of transjugular intrahepatic portosystemic shunt(TIPS) created using a stent graft.METHODS: The medical records of 68 patients who underwent TIPS placement with a stent graft from 2008 to 2014 were reviewed by two radiologists blinded to the patient outcomes.Digital Subtraction Angiographic images with a measuring catheter in two orthogonal planes was used to determine the TIPS stent-to-inferior vena cava distance(SIVCD),hepatic vein to parenchymal tract angle(HVTA),portal vein to parenchymal tract angle(PVTA),and the accessed portal vein.The length and diameter of the TIPS stent and the use of concurrent variceal embolization were recorded by review of the patient's procedure note.Data on re-intervention within 30 d of TIPS placement,recurrence of symptoms,and survival were collected through the patient's chart.Cox proportional regression analysis was performed to assess the effect of these technical parameters on primary patency of TIPS,time to recurrence of symptoms,and all-cause mortality.RESULTS: There was no significant associationbetween the SIVCD and primary patency(P = 0.23),time to recurrence of symptoms(P = 0.83),or allcause mortality(P = 0.18).The 3,6,and 12-mo primary patency rates for a SIVCD ≥ 1.5 cm were 82.4%,64.7%,and 50.3% compared to 89.3%,83.8%,and 60.6% for a SIVCD of < 1.5 cm(P = 0.29).The median time to stenosis for a SIVCD of ≥ 1.5 cm was 19.1 mo vs 15.1 mo for a SIVCD of < 1.5 cm(P = 0.48).There was no significant association between the following factors and primary patency: HVTA(P = 0.99),PVTA(P = 0.65),accessed portal vein(P = 0.35),TIPS stent diameter(P = 0.93),TIPS stent length(P = 0.48),concurrent variceal embolization(P = 0.13) and reinterventions within 30 d(P = 0.24).Furthermore,there was no correlation between these technical parameters and time to recurrence of symptoms or all-cause mortality.Recurrence of symptoms was associated with stent graft stenosis(P = 0.03).CONCLUSION: TIPS stent-to-caval distance and other parameters have no significant effect on primary patency,time to recurrence of symptoms,or all-cause mortality following TIPS with a stent-graft. | Brice Andring Sanjeeva P Kalva Patrick Sutphin Rajiv Srinivasa Alvin Anene Marc Burrell Yin Xi Anil K Pillai | 2015 | World Journal of Gastroenterology2015，21，26： | 7 |
| 3 | Bile cast nephropathy: A case report and review of the literature显示文摘Bile cast nephropathy is a condition of renal dysfunction in the setting of hyperbilirubinemia. There are very few cases of this condition reported in the last decade and a lack of established treatment guidelines. While the exact etiology remains unknown, bile cast nephropathy is presumed to be secondary to multiple concurrent insults to the kidney including direct toxicity from bile acids, obstructive physiology from bile casts, and systemic hypoperfusion from vasodilation. Therapy directed at bilirubin reduction may improve renal function, but will likely need dialysis or plasmapheresis as well. We report our case of bile cast nephropathy and the therapeutic measures undertaken in a middle-aged male with chronic renal insufficiency that developed hyperbilirubinemia and drug-induced liver injury secondary to antibiotic use. He developed acute renal injury in the setting of rising bilirubin. He subsequently had a progressive decline in renal and hepatic function, requiring dialysis and plasmapheresis with some improvement, ultimately requiring transplantation. | Jaymon Patel Saqib Walayat Nikhil Kalva Sidney Palmer-Hill Sonu Dhillon | 2016 | World Journal of Gastroenterology2016，22，27： | 3 |
| 4 | Implementing multiplexing, streaming, and server interaction for MPEG-4显示文摘 | KALVA H | 1999 | IEEE Transactions on Circuits and Systems for Video Technology1999，，8： | 1 |
| 5 | Diagnosing deepveinthrom-bosis显示文摘 | somarouthu B Abbara S Kalva SP | 2010 | Postgrad Med2010，122，2： | 1 |
| 6 | Bronchial artery embolization 显示文摘 | Kalva SP | 2009 | Tech Vasc Interv Radiol2009，12，2： | 1 |
| 7 | Autoimmune panereatitis:imaging features显示文摘 | Sahani DV Kalva SP Farrell J | 2004 | Radiology2004，233，2： | 1 |
| 8 | TIPS:comparison of shunt patency and clinical outcomes between bare stents and expanded polytewafluoroethylene stent-grafts 显示文摘 | JUNG H S KALVA S P GREENFIELD A J | 2009 | J Vase Interv Radiol2009，20，： | 1 |
| 9 | Diagnosing deep vein thrombosis 显示文摘 | Somarouthu B Abbara S Kalva SP | 2010 | Postgrad Med2010，122，2： | 1 |
| 10 | Inferior Pancreaticoduodenal Artery Aneurysms in Association with Celiac Axis Stenosis or Occlusion显示文摘 | S.P. Kalva C.A. Athanasoulis A.J. Greenfield C.-M. Fan M. Curvelo A.C. Waltman S. Wicky | 2007 | European Journal of Vascular & Endovascular Surgery2007，，6： | 1 |
| 11 | MR imaging of the gallbladder:A pictorial essay显示文摘 | Catalano OA Sabani DV Kalva SP | 2008 | Radiographics2008，28，1： | 1 |
| 12 | Suprarenal inferior vena cava filters: a 20-year single-center experience 显示文摘 | KALVA S P CHLAPOUTAKI C WICKY S | 2008 | J Vasc Interv Radiol2008，19，7： | 1 |
| 13 | Assessing tumor perfusion and treatment response in metal cancer with multiseetion CT: Initial observations 显示文摘 | Sahani DV Kalva SP Hamberg LM | 2005 | Radiology2005，234，3： | 1 |
| 14 | Mediastinal bronchial artery aneurysms:endo-vascular trerapy in two patients显示文摘 | Kalva SP Wicky S | 2006 | Catheter Cardiovasc Interv2006，68，6： | 1 |
| 15 | IBSIMU: A three-dimensional simulation software for charged particle optics显示文摘 | KALVAS T TARVAINEN O ROPPONEN T | 2010 | Review of Scientific Instruments2010，81，2： | 1 |
| 16 | Assessing tumor per- fusion and treatment response in rectal cancer with multi-section CT : initial observations显示文摘 | Sahani DV Kalva SP Hamberg LM | 2005 | Radiology2005，234，3： | 1 |
| 17 | Angiographic intervention in patients with a suspected visceral artery pseudoaneurysm complicating pancreatitis and pancreatic surgery显示文摘 | Kalva SP Yeddula K Wieky S | 2011 | Arch Surg2011，146，6： | 1 |
| 18 | Autoimmune Pancreatitis:Imaging Features显示文摘 | Sahani DV Kalva SP Farrell J | 2004 | Radiology2004，233，2： | 1 |
| 19 | Venous Thmmboembo- lism : Indirect CT venography during CT pulmonary angiography - should the pelvis be imaged? 显示文摘 | Kalva SIP Jagannathan JP Hahn PF | 2008 | Radiology2008，246，2： | 1 |
| 20 | Acute renal infarction secondary to calcific embolus from mitral annular calcification显示文摘 | Bande D Abbara S Kalva S P | 2011 | Cardiovasc Intervent Radio I2011，34，3： | 1 |
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