<b><span style="font-family:Verdana;">Background:</span></b><span style="font-family:Verdana;"></span><b> </b><span style="font-family:Verdan...<b><span style="font-family:Verdana;">Background:</span></b><span style="font-family:Verdana;"></span><b> </b><span style="font-family:Verdana;">Chronic anal fissure is a benign disorder which is associated with considerable discomfort. </span><span style="font-family:Verdana;"><b></b></span><b><b><span style="font-family:Verdana;">Aim of the Work:</span></b><span style="font-family:;" "=""><span style="font-family:Verdana;"></span></span></b><b> </b><span style="font-family:;" "=""><span style="font-family:Verdana;">The aim of this study was to compare the post-operative results of open and closed internal lateral sphincterotomies in the short and medium term.</span><b> </b></span><span style="font-family:Verdana;"><b></b></span><b><b><span style="font-family:Verdana;">Patient and Methods:</span></b><span style="font-family:;" "=""><span style="font-family:Verdana;"></span></span></b><b> </b><span style="font-family:Verdana;">We carried out a prospective randomized comparative study in the digestive and visceral surgery departments of Central Hospital of Yaounde over a period of 15</span><span style="font-family:;" "=""> </span><span style="font-family:Verdana;">months. Patients were evaluated for each technique by several variables, including duration of surgery, post-operative pain, recurrence, surgical wound infection, gas and/or stool incontinence, and healing time with follow-up up to 12</span><span style="font-family:;" "=""> </span><span style="font-family:Verdana;">months postoperatively.</span><span style="font-family:;" "=""> </span><span style="font-family:Verdana;"><b></b></span><b><b><span style="font-family:Verdana;">Results:</span></b><span style="font-family:;" "=""><span style="font-family:Verdana;"></span></span></b><b> </b><span style="font-family:Verdana;">A total of 63 patients underwent surgery within them we had 32 open lateral internal sphincterotom</span><span style="font-family:Verdana;">ies</span><span style="font-family:Verdana;"> (group 1) and 31 closed lateral internal sphincterotom</span><span style="font-family:Verdana;">ies</span><span style="font-family:Verdana;"> (group 2). There were 35 men and 28 women with a sex ratio of 1.25. The mean age was 35.36 ± 10.16 years with extremes ranging from 19 to 62 years. The typical presentation was pain on defecation. The majority of fissures were located at the posterior commissure. The average duration of the procedure was longer in patients in group 1 (15.34 minutes) compared to 5.22 minutes in patients in group 2. We found 3.12% of surgical wound infections in patients in group 1 and neither patient in group 2. Gas incontinence was 6.45% in group 2 patients and 28.12% in group 1.</span><span style="font-family:;" "=""> </span><span style="font-family:Verdana;">The mean intensity of pain at 24 hours post-operative was between</span><span style="font-family:;" "=""> </span><span style="font-family:Verdana;">4 and 6 on </span><span style="font-family:Verdana;">the </span><span style="font-family:Verdana;">visual analogue scale in patients in group 2 and between 7 and 10 in group 1. Wound healing time was 8.9 days in group </span><span style="font-family:Verdana;">1</span><span style="font-family:Verdana;"> and 4 days in group 2 patients. The hospital stay was 24 hours for both groups of patients. No recurrence was noted during the 6-month</span><span style="font-family:;" "=""> </span><span style="font-family:;" "=""><span style="font-family:Verdana;">follow-up period.</span><b> </b></span><span style="font-family:;" "=""><span style="font-family:Verdana;"><b></b></span><b><b><span style="font-family:Verdana;">Conclusion:</span></b><span style="font-family:Verdana;"></span></b></span><b> </b><span style="font-family:Verdana;">Closed lateral internal anal sphincterotomy is the treatment of choice for chronic anal fissures because it is effective and associated with </span><span style="font-family:Verdana;">a </span><span style="font-family:Verdana;">lower complication rate than the open sphincterotomy technique.</span>展开更多
Objective:To investigate the clinical effect of modified closed negative pressure suction technique combined with flap transplantation on the treatment of deep chronic refractory wounds.Methods:During March of 2015 to...Objective:To investigate the clinical effect of modified closed negative pressure suction technique combined with flap transplantation on the treatment of deep chronic refractory wounds.Methods:During March of 2015 to April of 2018,52 cases of patients with deep chronic refractory wounds were selected as research objects.They were divided into the control group and the treatment group by use of the random number table method,with 26 cases in each group.Among them,the control group was given conventional debridement combined with flap reconstruction,and the treatment group was treated with modified closed negative pressure suction technique combined with flap transplantation to observe the clinical effect.Results:(1)According to the analysis on the effect of flap transplantation,the excellent and good rate of the treatment group was 92.3%,and in the control group,it was 76.9%(p<0.05).(2)According to the statistics,the incidence of complications in the treatment group was lower than that in the control group(p<0.05).Conclusions:Modified closed negative pressure suction technique combined with flap transplantation has a good effect on the treatment of deep chronic refractory wounds with fewer complications.展开更多
Objective Close reduction and internal fixation have gained popularity for the treatment of pelvic fractures.However,the closed reduction of bilateral displaced posterior pelvic ring disruption is a great challenge ev...Objective Close reduction and internal fixation have gained popularity for the treatment of pelvic fractures.However,the closed reduction of bilateral displaced posterior pelvic ring disruption is a great challenge even for the most experienced surgeon.In this study,we describe in detail a novel unlocking closed reduction technique(UCRT)frame that allows strong traction for bilateral posterior pelvic ring displacement and presents preliminary clinical outcomes.Methods We retrospectively reviewed 32 patients with bilateral displaced posterior pelvic ring disruptions(AO/OTA 61-C2 and C3)who were initially treated with this technique between July 2017 and July 2022.According to the AO/OTA clas-sification,there were 9 cases(28.12%)of 61-C2,and 23 cases(71.88%)of 61-C3.There were 11 males,21 females,with an average age of 38.1 years.The interval from injury to operation was 4-27 days,with a cut-off of 12.5 days(receiver operat-ing characteristic curve).Operative time,blood loss,and postoperative radiographic findings were recorded.The functional outcomes and complications were followed.Results A total of 30(93.8%)patients achieved successful closed reduction,whereas 2 required open reduction.The success-ful closed reduction rate was 95.5%(21/22)in patients whose injury-to-operation time was less than 12.5 days.The vertical displacement percent correction of the obviously displaced hemipelvis was 70.20%±16.79%on average.The average degree of pelvic deformity correction was 64.86%±17.71%.Thirty patients were followed up for at least 12 months(12-36 months),and no complications of nonunion or redisplacement were observed.The Matta-Tornetta scoring standard revealed that the excellent(25/30)and good(4/30)rate was 96.7%.The Majeed clinical efficacy score revealed that the overall excellent and good rate was 100%.One patient had INFIX-related infection,and 2 reported numbness in the lateral thigh.The numbness was improved after INFIX removal.Conclusions This study presents an updated technique for closed reduction using a UCRT frame for bilateral posterior pelvic ring disruption,which has been shown to be effective,as indicated by excellent surgical and functional outcomes.展开更多
We present new analyses of variations in O-C diagrams of three Algol-type eclipsing binary stars：AD And,TW Cas and IV Cas.We have used all published minima times（including visual and photographic）as well as newly d...We present new analyses of variations in O-C diagrams of three Algol-type eclipsing binary stars：AD And,TW Cas and IV Cas.We have used all published minima times（including visual and photographic）as well as newly determined ones from our and Super Wasp observations.We determined orbital parameters of 3^（rd） bodies in the systems with statistically significant errors,using our code based on genetic algorithms and Markov chain Monte Carlo simulations.We confirmed the multiple nature of AD And and the triple-star model of TW Cas,and we proposed a quadruple-star model of IV Cas.展开更多
文摘<b><span style="font-family:Verdana;">Background:</span></b><span style="font-family:Verdana;"></span><b> </b><span style="font-family:Verdana;">Chronic anal fissure is a benign disorder which is associated with considerable discomfort. </span><span style="font-family:Verdana;"><b></b></span><b><b><span style="font-family:Verdana;">Aim of the Work:</span></b><span style="font-family:;" "=""><span style="font-family:Verdana;"></span></span></b><b> </b><span style="font-family:;" "=""><span style="font-family:Verdana;">The aim of this study was to compare the post-operative results of open and closed internal lateral sphincterotomies in the short and medium term.</span><b> </b></span><span style="font-family:Verdana;"><b></b></span><b><b><span style="font-family:Verdana;">Patient and Methods:</span></b><span style="font-family:;" "=""><span style="font-family:Verdana;"></span></span></b><b> </b><span style="font-family:Verdana;">We carried out a prospective randomized comparative study in the digestive and visceral surgery departments of Central Hospital of Yaounde over a period of 15</span><span style="font-family:;" "=""> </span><span style="font-family:Verdana;">months. Patients were evaluated for each technique by several variables, including duration of surgery, post-operative pain, recurrence, surgical wound infection, gas and/or stool incontinence, and healing time with follow-up up to 12</span><span style="font-family:;" "=""> </span><span style="font-family:Verdana;">months postoperatively.</span><span style="font-family:;" "=""> </span><span style="font-family:Verdana;"><b></b></span><b><b><span style="font-family:Verdana;">Results:</span></b><span style="font-family:;" "=""><span style="font-family:Verdana;"></span></span></b><b> </b><span style="font-family:Verdana;">A total of 63 patients underwent surgery within them we had 32 open lateral internal sphincterotom</span><span style="font-family:Verdana;">ies</span><span style="font-family:Verdana;"> (group 1) and 31 closed lateral internal sphincterotom</span><span style="font-family:Verdana;">ies</span><span style="font-family:Verdana;"> (group 2). There were 35 men and 28 women with a sex ratio of 1.25. The mean age was 35.36 ± 10.16 years with extremes ranging from 19 to 62 years. The typical presentation was pain on defecation. The majority of fissures were located at the posterior commissure. The average duration of the procedure was longer in patients in group 1 (15.34 minutes) compared to 5.22 minutes in patients in group 2. We found 3.12% of surgical wound infections in patients in group 1 and neither patient in group 2. Gas incontinence was 6.45% in group 2 patients and 28.12% in group 1.</span><span style="font-family:;" "=""> </span><span style="font-family:Verdana;">The mean intensity of pain at 24 hours post-operative was between</span><span style="font-family:;" "=""> </span><span style="font-family:Verdana;">4 and 6 on </span><span style="font-family:Verdana;">the </span><span style="font-family:Verdana;">visual analogue scale in patients in group 2 and between 7 and 10 in group 1. Wound healing time was 8.9 days in group </span><span style="font-family:Verdana;">1</span><span style="font-family:Verdana;"> and 4 days in group 2 patients. The hospital stay was 24 hours for both groups of patients. No recurrence was noted during the 6-month</span><span style="font-family:;" "=""> </span><span style="font-family:;" "=""><span style="font-family:Verdana;">follow-up period.</span><b> </b></span><span style="font-family:;" "=""><span style="font-family:Verdana;"><b></b></span><b><b><span style="font-family:Verdana;">Conclusion:</span></b><span style="font-family:Verdana;"></span></b></span><b> </b><span style="font-family:Verdana;">Closed lateral internal anal sphincterotomy is the treatment of choice for chronic anal fissures because it is effective and associated with </span><span style="font-family:Verdana;">a </span><span style="font-family:Verdana;">lower complication rate than the open sphincterotomy technique.</span>
文摘Objective:To investigate the clinical effect of modified closed negative pressure suction technique combined with flap transplantation on the treatment of deep chronic refractory wounds.Methods:During March of 2015 to April of 2018,52 cases of patients with deep chronic refractory wounds were selected as research objects.They were divided into the control group and the treatment group by use of the random number table method,with 26 cases in each group.Among them,the control group was given conventional debridement combined with flap reconstruction,and the treatment group was treated with modified closed negative pressure suction technique combined with flap transplantation to observe the clinical effect.Results:(1)According to the analysis on the effect of flap transplantation,the excellent and good rate of the treatment group was 92.3%,and in the control group,it was 76.9%(p<0.05).(2)According to the statistics,the incidence of complications in the treatment group was lower than that in the control group(p<0.05).Conclusions:Modified closed negative pressure suction technique combined with flap transplantation has a good effect on the treatment of deep chronic refractory wounds with fewer complications.
基金supported by the National Key Research and Development Program of China(2022YFC2504303)Innovation Foundation of National Clinical Research Center for Orthopaedics,Sports Medicine&Rehabilitation(2021-NCRC-CXJJ-ZH-24)Medical Innovation and Transformation Incubation Project of Tongji Hospital(2022ZHFY10).
文摘Objective Close reduction and internal fixation have gained popularity for the treatment of pelvic fractures.However,the closed reduction of bilateral displaced posterior pelvic ring disruption is a great challenge even for the most experienced surgeon.In this study,we describe in detail a novel unlocking closed reduction technique(UCRT)frame that allows strong traction for bilateral posterior pelvic ring displacement and presents preliminary clinical outcomes.Methods We retrospectively reviewed 32 patients with bilateral displaced posterior pelvic ring disruptions(AO/OTA 61-C2 and C3)who were initially treated with this technique between July 2017 and July 2022.According to the AO/OTA clas-sification,there were 9 cases(28.12%)of 61-C2,and 23 cases(71.88%)of 61-C3.There were 11 males,21 females,with an average age of 38.1 years.The interval from injury to operation was 4-27 days,with a cut-off of 12.5 days(receiver operat-ing characteristic curve).Operative time,blood loss,and postoperative radiographic findings were recorded.The functional outcomes and complications were followed.Results A total of 30(93.8%)patients achieved successful closed reduction,whereas 2 required open reduction.The success-ful closed reduction rate was 95.5%(21/22)in patients whose injury-to-operation time was less than 12.5 days.The vertical displacement percent correction of the obviously displaced hemipelvis was 70.20%±16.79%on average.The average degree of pelvic deformity correction was 64.86%±17.71%.Thirty patients were followed up for at least 12 months(12-36 months),and no complications of nonunion or redisplacement were observed.The Matta-Tornetta scoring standard revealed that the excellent(25/30)and good(4/30)rate was 96.7%.The Majeed clinical efficacy score revealed that the overall excellent and good rate was 100%.One patient had INFIX-related infection,and 2 reported numbness in the lateral thigh.The numbness was improved after INFIX removal.Conclusions This study presents an updated technique for closed reduction using a UCRT frame for bilateral posterior pelvic ring disruption,which has been shown to be effective,as indicated by excellent surgical and functional outcomes.
基金supported by a grant from the Slovak Research and Development Agency with number APVV-15-0458by realization of the project ITMS (No. 26220120029)+1 种基金the European Regional Development Fundthe project VEGA (2/0143/14)
文摘We present new analyses of variations in O-C diagrams of three Algol-type eclipsing binary stars：AD And,TW Cas and IV Cas.We have used all published minima times（including visual and photographic）as well as newly determined ones from our and Super Wasp observations.We determined orbital parameters of 3^（rd） bodies in the systems with statistically significant errors,using our code based on genetic algorithms and Markov chain Monte Carlo simulations.We confirmed the multiple nature of AD And and the triple-star model of TW Cas,and we proposed a quadruple-star model of IV Cas.
