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| 1 | Drainage vs. non-drainage after cholecystectomy for acute cholecystitis:a retrospective study显示文摘Many surgeons practice prophylactic drainage after cholecystectomy without reliable evidence,this study was conducted to answer the question whether to drain or not to drain after cholecystectomy for acute calculous cholecystitis.A retrospective review of all patients who had cholecystectomy for acute cholecystitis in Aseer Central Hospital,Abha,Saudi Arabia,was conducted from April 2010 to April 2012.Data were extracted from hospital case files.Preoperative data included clinical presentation,routine investigations and liver function tests.Operative data included excessive adhesions,bleeding,bile leak,and drain insertion.Complicated cases such as pericholecystic collections,mucocele and empyema were also reported.Patients who needed therapeutic drainage were excluded.Postoperative data included hospital stay,volume of drained fluid,time of drain removal,and drain site problems.The study included 103 patients allocated into two groups;group A(n = 38) for patients with operative drain insertion and group B(n = 65) for patients without drain insertion.The number of patients with preoperative diagnosis of acute non-complicated cholecystitis was significantly greater in group B(80%) than group A(36.8%)(P < 0.001).Operative time was significantly longer in group A.All patients who were converted from laparoscopic to open cholecystectomy were in group A.Multivariate analysis revealed that hospital stay was significantly(P < 0.001) longer in patients with preoperative complications.There was no added benefit for prophylactic drain insertion after cholecystectomy for acute calculous cholecystitis in non-complicated or in complicated cases. | Mohammed A Bawahab Walid M Abd El Maksoud Saeed A Alsareii Fahad S Al Amri Hala F Ali Abdul Rahman Nimeri Abdul Rahman M Al Amri Adel A Assiri Mohammed I Abdul Aziz | 2014 | The Journal of Biomedical Research2014，28，3： | 3 |
| 2 | Analysis of direct toque control in permanent magnet synchronous motor drives 显示文摘 | Zhong L Rahman M F Hu W Y | 1997 | IEEE Transactions on Power Electronics1997，12，3： | 1 |
| 3 | Problems associated with the direct torque eonlrol of an interior permanent magnet synchronous motor drive and their remediers 显示文摘 | Rahman M F Haque Md E Tang Lixin Zhong Limin | 2004 | 1EEE Transactions on Industrial Electronics (S0278-0046)2004，51，4： | 1 |
| 4 | Analysis of Direct Torque Control in Permanent Magnet Synchronous Motor Drives 显示文摘 | Zhong L Rahman M F Hu Y W | 1997 | IEEE Transactions on Power Electronics1997，12，3： | 1 |
| 5 | 查看详情显示文摘 | Pa N F C Ahmed I Nawawi M G M Rahman W A W A | | 0，，04： | 1 |
| 6 | Analysis direct torque controller for permanent magnet synchronous motor drives显示文摘 | ZHONG L RAHMAN M F HU W Y | | 0，，03： | 1 |
| 7 | Sorption behavior of phenols on natural sandy aquifer material during flow through column experiment:the effect of pH显示文摘 | AMIRI F RAHMAN M M BORNICK H | 2004 | Acta Hydrochim Hydrobiol2004，32，3： | 1 |
| 8 | A Direct Torque Control- ler for Permanent Magnet Synchronous Motor Drives 显示文摘 | Zhong L Rahman M F Hu Y W | 1999 | IEEE Transactions on Energy Conversion1999，14，3： | 1 |
| 9 | Problems associated with the direct torque control of an interior permanent-magnet synchronous motor drive and their remedies显示文摘 | Rahman M F Haque Md E Tang Lixin Zhong Limin | 2004 | IEEE Transactions on Industrial Electronics (S0278-0046)2004，51，4： | 1 |
| 10 | A no- vel direct torque controlled interior permanent magnet synchronous machine drive with low ripple in flux and torque and fixed switching frequency 显示文摘 | Tang Lixin Zhong Limin Rahman M F | 2004 | IEEE Trans- actions on Power Electronics2004，19，2： | 1 |
| 11 | Application of Fault Tree Analysis for Customer Reliability Assessment of a Distribution Power System显示文摘 | Rahman F A Varuttamaseni A Kintner-Meyer M | 2013 | Reliability Engineering &System Safety2013，111，76： | 1 |
| 12 | Design and analysis of an interior permanent magnet machine with very wide constant power operation range 显示文摘 | Dutta R Rahman M F | 2008 | IEEE Transactions on Energy Conversion2008，23，1： | 1 |
| 13 | A direct torquecontrolled interior permanent magnet synchronous motor drivewithout a speed sensor显示文摘 | Rahman M F Zhong L Haque M E | 2003 | IEEE Transactions on Energy Con-version2003，18，1： | 1 |
| 14 | A novel direct torque control for interior permanent-magnet synchronous motor drive with low ripple in torque and flux-a speed-sensorless approach显示文摘 | Tang Lixin Zhong Limin Rahman M F etc | 2003 | IEEE Transactions on Industrial Applications (S0093-9994)2003，39，6： | 1 |
| 15 | Development of a catalytic hollow fiber membrane micro-reactor for high purity H2 production显示文摘 | Rahman M A Garcia-Garcia F R Hatim M D I | 2011 | Journal of Membrane Science2011，368，： | 1 |
| 16 | Analysis of direct torque control in permanent magnet synchronous motor drivers 显示文摘 | Zhong L Rahman M F Hu W Y | 1997 | IEEE Trans- actions on Power Electronics1997，12，3： | 1 |
| 17 | A direct torque controller for permanent magnet synchronous motor drives显示文摘 | Zhong L Rahman M F HUW Y | 1999 | IEEE Transaction on Energy conversion1999，14，3： | 1 |
| 18 | An adaptive sliding stator flux observer for a direct-torque-controlled IPM synchronous motor drive 显示文摘 | Zhuang Xu Rahman M F | 2007 | IEEE Transactions on Industrial Electronics2007，54，5： | 1 |
| 19 | Polybrominated diphenyl ether(PBDE)flame retardants显示文摘 | RAHMAN F LANGFORD K H SCRIMSHAW M D | 2001 | Sci Total Environ2001，275，123： | 1 |
| 20 | Analysis of direct torque control in permanent magnet synchronous motor drives显示文摘 | ZHONG L RAHMAN M F HU W Y | 1997 | IEEE Transactions on Power Electronics1997，12，3： | 1 |
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