BACKGROUND Despite the infrequency of trocar site hernias(TSHs),fascial closure continues to be recommended for their prevention when using a≥10-mm trocar.AIM To identify the necessity of fascial closure for a 12-mm ...BACKGROUND Despite the infrequency of trocar site hernias(TSHs),fascial closure continues to be recommended for their prevention when using a≥10-mm trocar.AIM To identify the necessity of fascial closure for a 12-mm nonbladed trocar incision in minimally invasive colorectal surgeries.METHODS Between July 2010 and December 2018,all patients who underwent minimally invasive colorectal surgery at the Minimally Invasive Surgery Unit of Siriraj Hospital were retrospectively reviewed.All patients underwent cross-sectional imaging for TSH assessment.Clinicopathological characteristics were recorded.Incidence rates of TSH and postoperative results were analyzed.RESULTS Of the 254 patients included,70(111 ports)were in the fascial closure(closed)group and 184(279 ports)were in the nonfascial closure(open)group.The median follow up duration was 43 mo.During follow up,three patients in the open group developed TSHs,whereas none in the closed group developed the condition(1.1%vs 0%,P=0.561).All TSHs occurred in the right lower abdomen.Patients whose drains were placed through the same incision had higher rates of TSHs compared with those without the drain.The open group had a significantly shorter operative time and lower blood loss than the closed group.CONCLUSION Routine performance of fascial closure when using a 12-mm nonbladed trocar may not be needed.However,further prospective studies with cross-sectional imaging follow-up and larger sample size are needed to confirm this finding.展开更多
目的:评价多功能套针浮刺治疗腰椎间盘突出症急性期患者的临床疗效。方法:将60例腰椎间盘突出症急性期患者随机分为观察组和对照组,各30例。观察组采用多功能套针浮刺治疗,对照组采用常规针刺疗法治疗,均治疗7天。分别于治疗前后评价两...目的:评价多功能套针浮刺治疗腰椎间盘突出症急性期患者的临床疗效。方法:将60例腰椎间盘突出症急性期患者随机分为观察组和对照组,各30例。观察组采用多功能套针浮刺治疗,对照组采用常规针刺疗法治疗,均治疗7天。分别于治疗前后评价两组患者腰椎功能活动(Japanese orthopedics association,JOA)评分、疼痛视觉模拟量表(visual analogue score,VAS)评分及生存质量量表(the MOS item short from health survey,SF-36)评分,于治疗后评价两组临床疗效。结果:观察组总有效率为96.67%(29/30),高于对照组的76.67%(23/30)(P<0.05)。JOA评分、VAS评分、SF-36评分治疗后两组均较治疗前有变化(P<0.05),且观察组变化幅度大于对照组(P<0.05)。结论:多功能套针浮刺治疗腰椎间盘突出症急性期患者,可提高临床疗效,减轻临床症状,提高生活质量。展开更多
Three dimensional(3-D)imaging algorithms with irregular planar multiple-input-multiple-output(MIMO)arrays are discussed and compared with each other.Based on the same MIMO array,a modified back projection algorithm(MB...Three dimensional(3-D)imaging algorithms with irregular planar multiple-input-multiple-output(MIMO)arrays are discussed and compared with each other.Based on the same MIMO array,a modified back projection algorithm(MBPA)is accordingly proposed and four imaging algorithms are used for comparison,back-projection method(BP),back-projection one in time domain(BP-TD),modified back-projection one and fast Fourier transform(FFT)-based MIMO range migration algorithm(FFT-based MIMO RMA).All of the algorithms have been implemented in practical application scenarios by use of the proposed imaging system.Back to the practical applications,MIMO array-based imaging system with wide-bandwidth properties provides an efficient tool to detect objects hidden behind a wall.An MIMO imaging radar system,composed of a vector network analyzer(VNA),a set of switches,and an array of Vivaldi antennas,have been designed,fabricated,and tested.Then,these algorithms have been applied to measured data collected in different scenarios constituted by five metallic spheres in the absence and in the presence of a wall between the antennas and the targets in simulation and pliers in free space for experimental test.Finally,the focusing properties and time consumption of the above algorithms are compared.展开更多
文摘BACKGROUND Despite the infrequency of trocar site hernias(TSHs),fascial closure continues to be recommended for their prevention when using a≥10-mm trocar.AIM To identify the necessity of fascial closure for a 12-mm nonbladed trocar incision in minimally invasive colorectal surgeries.METHODS Between July 2010 and December 2018,all patients who underwent minimally invasive colorectal surgery at the Minimally Invasive Surgery Unit of Siriraj Hospital were retrospectively reviewed.All patients underwent cross-sectional imaging for TSH assessment.Clinicopathological characteristics were recorded.Incidence rates of TSH and postoperative results were analyzed.RESULTS Of the 254 patients included,70(111 ports)were in the fascial closure(closed)group and 184(279 ports)were in the nonfascial closure(open)group.The median follow up duration was 43 mo.During follow up,three patients in the open group developed TSHs,whereas none in the closed group developed the condition(1.1%vs 0%,P=0.561).All TSHs occurred in the right lower abdomen.Patients whose drains were placed through the same incision had higher rates of TSHs compared with those without the drain.The open group had a significantly shorter operative time and lower blood loss than the closed group.CONCLUSION Routine performance of fascial closure when using a 12-mm nonbladed trocar may not be needed.However,further prospective studies with cross-sectional imaging follow-up and larger sample size are needed to confirm this finding.
文摘目的:评价多功能套针浮刺治疗腰椎间盘突出症急性期患者的临床疗效。方法:将60例腰椎间盘突出症急性期患者随机分为观察组和对照组,各30例。观察组采用多功能套针浮刺治疗,对照组采用常规针刺疗法治疗,均治疗7天。分别于治疗前后评价两组患者腰椎功能活动(Japanese orthopedics association,JOA)评分、疼痛视觉模拟量表(visual analogue score,VAS)评分及生存质量量表(the MOS item short from health survey,SF-36)评分,于治疗后评价两组临床疗效。结果:观察组总有效率为96.67%(29/30),高于对照组的76.67%(23/30)(P<0.05)。JOA评分、VAS评分、SF-36评分治疗后两组均较治疗前有变化(P<0.05),且观察组变化幅度大于对照组(P<0.05)。结论:多功能套针浮刺治疗腰椎间盘突出症急性期患者,可提高临床疗效,减轻临床症状,提高生活质量。
基金National Natural Science Foundation of China(No.62293493)。
文摘Three dimensional(3-D)imaging algorithms with irregular planar multiple-input-multiple-output(MIMO)arrays are discussed and compared with each other.Based on the same MIMO array,a modified back projection algorithm(MBPA)is accordingly proposed and four imaging algorithms are used for comparison,back-projection method(BP),back-projection one in time domain(BP-TD),modified back-projection one and fast Fourier transform(FFT)-based MIMO range migration algorithm(FFT-based MIMO RMA).All of the algorithms have been implemented in practical application scenarios by use of the proposed imaging system.Back to the practical applications,MIMO array-based imaging system with wide-bandwidth properties provides an efficient tool to detect objects hidden behind a wall.An MIMO imaging radar system,composed of a vector network analyzer(VNA),a set of switches,and an array of Vivaldi antennas,have been designed,fabricated,and tested.Then,these algorithms have been applied to measured data collected in different scenarios constituted by five metallic spheres in the absence and in the presence of a wall between the antennas and the targets in simulation and pliers in free space for experimental test.Finally,the focusing properties and time consumption of the above algorithms are compared.
