Short-term efficacy of natural orifice specimen extraction surgery for low rectal cancer

BACKGROUND This case-control study compared the short-term clinical efficacy of natural orifice specimen extraction surgery(NOSES) using a prolapsing technique and the conventional laparoscopic-assisted approach for low rectal cancer.AIM To further explore the application value of the transanal placement of the anvil and to evaluate the short-term efficacy of NOSES for resecting specimens of low rectal cancer, as well as to provide a theoretical basis for its extensive clinical application.METHODS From June 2015 to June 2018, 108 consecutive laparoscopic-assisted low rectal cancer resections were performed at our center. Among them, 26 specimens were resected transanally using a prolapsing technique(NOSES), and 82 specimens were resected through a conventional abdominal wall small incision(LAP). A propensity score matching method was used to select 26 pairs of matched patients, and their perioperative data were analyzed.RESULTS The baseline data were comparable between the two matched groups. All 52 patients underwent the surgery successfully. The operative time, blood loss,number of harvested lymph nodes, postoperative complication rate,circumferential margin involvement, postoperative follow-up data, and postoperative anal function were not statistically significant. The NOSES group had shorter time to gastrointestinal function recovery(2.6 ± 1.0 d vs 3.4 ± 0.9 d, P= 0.006), shorter postoperative hospital stay(7.1 ± 1.7 d vs 8.3 ± 1.1 d, P = 0.003),lower pain score(day 1: 2.7 ± 1.8 vs 4.6 ± 1.9, day 3: 2.0 ± 1.1 vs 4.1 ± 1.2, day 5: 1.7± 0.9 vs 3.3 ± 1.0, P < 0.001), a lower rate of additional analgesic use(11.5% vs61.5%, P = 0.001), and a higher satisfaction rate in terms of the aesthetic appearance of the abdominal wall after surgery(100% vs 23.1%, P < 0.001).CONCLUSION NOSES for low rectal cancer can achieve satisfactory short-term efficacy and has advantages in reducing postoperative pain, shortening the length of postoperative hospital stay, and improving patients' satisfaction in terms of a more aesthetic appearance of the abdominal wall.

Effect of laparoscopic surgery combined with neoadjuvant chemotherapy on serum CEA, VEGF, CA724, CA242, LEP and T lymphocyte subsets in patients with low rectal cancer

Objective: To study the effect of laparoscopic surgery combined with neoadjuvant chemotherapy on serum CEA, VEGF, CA724, CA242, LEP and T lymphocyte subsets in patients with low rectal cancer. Methods A total of 80 patients with low rectal cancer in our hospital from June 2014 to June 2017 were enrolled in this study. The subjects were divided into the control group (n=40) and the treatment group (n=40) randomly. The control group were treated with laparoscopic surgery, the treatment group were treated with laparoscopic surgery combined with neoadjuvant chemotherapy, and both the two groups were treated for 6 periods with neoadjuvant chemotherapy after surgery. The serum CEA, VEGF, CA724, CA242, LEP levels and peripheral blood CD3+, CD4+, CD8+, NK cells of the two groups before and after treatment were compared. Results: There were no significantly differences of the serum CEA, VEGF, CA724, CA242, LEP levels and peripheral blood CD3+, CD4+, CD8+, NK cells of the two groups before treatment. The serum CEA, VEGF, CA724, CA242 and LEP levels of the two groups after treatment were significantly lower than before treatment, and that of the treatment group were significantly lower than the control group.The peripheral blood CD3+, CD4+, CD8+, NK cells of the two groups of the two groups after treatment were significantly lower than before treatment, and that of the treatment group were significantly higher than the control group. Conclusion: Laparoscopic surgery combined with neoadjuvant chemotherapy can significantly reduce the serum CEA, VEGF, CA724, CA242, LEP levels, improve the immunologic function, and it was worthy clinical application.

Low-pressure pneumoperitoneum with abdominal wall lift in laparoscopic total mesorectal excision for rectal cancer:initial experience

AIM To evaluate the safety and feasibility of a new technology combining low-pressure pneumoperitoneum(LPP) and abdominal wall lift(AWL) in laparoscopic total mesorectal excision(TME) for rectal cancer.METHODS From November 2015 to July 2017,26 patients underwent laparoscopic TME for rectal cancer using LPP(6-8 mm Hg) with subcutaneous AWL in Qilu Hospital of Shandong University,Jinan,China.Clinical data regarding patients' demographics,intraoperative monitoring indices,operation-related indices andpathological outcomes were prospectively collected.RESULTS Laparoscopic TME was performed in 26 cases(14 anterior resection and 12 abdominoperineal resection) successfully,without conversion to open or laparoscopic surgery with standard-pressure pneumoperitoneum.Intraoperative monitoring showed stable heart rate,blood pressure and paw airway pressure.The mean operative time was 194.29 ± 41.27 min(range:125-270 min) and 200.41 ± 20.56 min(range:170-230 min) for anterior resection and abdominoperineal resection,respectively.The mean number of lymph nodes harvested was 16.71 ± 5.06(range:7-27).There was no positive circumferential or distal resection margin.No local recurrence was observed during a median follow-up period of 11.96 ± 5.55 mo(range:5-23 mo).CONCLUSION LPP combined with AWL is safe and feasible for laparoscopic TME.The technique can provide satisfactory exposure of the operative field and stable operative monitoring indices.

Colonic pouch confers better bowel function and similar postoperative outcomes compared to straight anastomosis for low rectal cancer

BACKGROUND With advancements in laparoscopic technology and the wide application of linear staplers,sphincter-saving procedures are increasingly performed for low rectal cancer.However,sphincter-saving procedures have led to the emergence of a unique clinical disorder termed anterior rectal resection syndrome.Colonic pouch anastomosis improves the quality of life of patients with rectal cancer>7 cm from the anal margin.But whether colonic pouch anastomosis can reduce the incidence of rectal resection syndrome in patients with low rectal cancer is unknown.AIM To compare postoperative and oncological outcomes and bowel function of straight and colonic pouch anal anastomoses after resection of low rectal cancer.METHODS We conducted a retrospective study of 72 patients with low rectal cancer who underwent sphincter-saving procedures with either straight or colonic pouch anastomoses.Functional evaluations were completed preoperatively and at 1,6,and 12 mo postoperatively.We also compared perioperative and oncological outcomes between two groups that had undergone low or ultralow anterior rectal resection.RESULTS There were no significant differences in mean operating time,blood loss,time to first passage of flatus and excrement,and duration of hospital stay between the colonic pouch and straight anastomosis groups.The incidence of anastomotic leakage following colonic pouch construction was lower(11.4%vs 16.2%)but not significantly different than that of straight anastomosis.Patients with colonic pouch construction had lower postoperative low anterior resection syndrome scores than the straight anastomosis group,suggesting better bowel function(preoperative:4.71 vs 3.89,P=0.43;1 mo after surgery:34.2 vs 34.7,P=0.59;6 mo after surgery:22.70 vs 29.0,P<0.05;12 mo after surgery:15.5 vs 19.5,P=0.01).The overall recurrence and metastasis rates were similar(4.3%and 11.4%,respectively).CONCLUSION Colonic pouch anastomosis is a safe and effective procedure for colorectal reconstruction after low and ultralow rectal resections.Moreover,colonic pouch construction may provide better functional outcomes compared to straight anastomosis.

Low rectal cancer:Sphincter preserving techniques-selection of patients,techniques and outcomes

Low rectal cancer is traditionally treated by abdominoperineal resection. In recent years, several new techniques for the treatment of very low rectal cancer patients aiming to preserve the gastrointestinal continuity and to improve both the oncological as well as the functional outcomes, have been emerged. Literature suggest that when the intersphincteric resection is applied in T1-3 tumors located within 30-35 mm from the anal verge, is technically feasible, safe, with equal oncological outcomes compared to conventional surgery and acceptable quality of life. The Anterior Perineal Plan E for Ultra-low Anterior Resection technique, is not disrupting the sphincters, but carries a high complication rate, while the reports on the oncological and functional outcomes are limited. Transanal Endoscopic Micro Surgery(TEM) and Trans Anal Minimally Invasive Surgery(TAMIS) should represent the treatment of choice for T1 rectal tumors, with specific criteria according to the NCCN guidelines and favorable pathologic features. Alternatively to the standard conventional surgery, neoadjuvant chemo-radiotherapy followed by TEM or TAMIS seems promising for tumors of a local stage T1sm2-3 or T2. Transanal Total Mesorectal Excision should be performed only when a board approved protocol is available by colorectal surgeons with extensive experience in minimally invasive and transanal endoscopic surgery.

Five-year oncologic outcomes and prognostic factors for locally advanced low rectal cancer after low anterior resection

Objective： The aim of the study is to investigate the longterm oncologic outcomes including local recurrence, distant metastases and overall survival （OS） for patients with low rectal cancer underwent low anterior resection （LAR） with total mesorectal excision （TME）, and to analyze the prognostic factors for them. Methods： Between January 2001 and December 2009, 147 patients with clinical stage II and III rectal cancers located 3-6 cm from the anal verge underwent LAR with TME without temporary diverting stoma. The median distal resection margin （DRM） was 1.0 （range, 0.3-5） cm. Anastomostic leakage occurred in 29 （19.7%） patients. Thirty patients received surgery alone, 20 patients received preoperative chemoradiotherapy （CRT）, 43 patients received postoperative CRT, and adjuvant chemotherapy was administered for 108 patients. The median cycle of adjuvant chemotherapy was 6 （range, 2-20） cycles. The median followup was 74.8 （range, 30.1-146.3） months. Results： In all patients, 5-year recurrence-free survival （RFS）, disease-free survival （DFS） and OS were 70.4%, 54.2% and 60.5%, respectively. Forty-three （29.3%） patients suffered local recurrence. Patients received preoperative CRT with a downstaging yp0/1 who had a better 5-year RFS, DFS and OS, which were 100%, 90.9%, and 90.9%, respectively. For patients with pathologic stage Ⅱ and stage Ⅲ, the 5-year RFS, DFS, and OS were 79.2% and 60.1%, 67.9% and 39.1%, 72.1% and 48.2%, respectively. On multivariable analysis, RFS was associated with anostomostic leakage, DFS was associated with anastomostic leakage and pathologic N stage, and OS was associated with anastomostic leakage, pathologic N and T stage. For patients with anastomostic leakage, the 5-year RFS, DFS, and OS were 51.7%, 32.4%, and 38.3%, respectively, which were worse than that for patients without anastomostic leakage, the latter were 75.2%, 59.7%, 65.7%, respectively （P 〈 0.05）. DRM and radiotherapy were associated with RFS on univariable analysis （P 〈 0.05）, but not on multivariable analysis. Tumor grade was prognostic factors for RFS and OS on univariable analysis, but not on multivariable analysis. The other factors including sex, age, tumor size and adjuvant chemotherapy were not associated with RFS, DFS and OS on univariable analysis. Conclusion： For patients with low rectal caner underwent LAR and TME, the long-term oncologic outcomes were satisfactory for patients with stage yp0/1, but not for patients with pathologic stage II1. Anastomositic leakage negatively affect long-term oncologic outcomes. Radiotherpy, adjuvant chemotherapy and distal resection margin were not associated with long-term outcomes.

Neoadjuvant radiotherapy for rectal cancer management

Thirty per cent of all colorectal tumours develop in the rectum.The location of the rectum within the bony pelvis and its proximity to vital structures presents significant therapeutic challenges when considering neoadjuvant options and surgical interventions.Most patients with early rectal cancer can be adequately managed by surgery alone.However,a significant proportion of patients with rectal cancer present with locally advanced disease and will potentially benefit from down staging prior to surgery.Neoadjuvant therapy involves a variety of options including radiotherapy,chemotherapy used alone or in combination.Neoadjuvant radiotherapy in rectal cancer has been shown to be effective in reducing tumour burden in advance of curative surgery.The gold standard surgical rectal cancer management aims to achieve surgical removal of the tumour and all draining lymph nodes,within an intact mesorectal package,in order to minimise local recurrence.It is critically important that all rectal cancer cases are discussed at a multidisciplinary meeting represented by all relevant specialties.Pre-operative staging including CT thorax,abdomen,pelvis to assess for distal disease and magnetic resonance imaging to assess local involvement is essential.Staging radiology and MDT discussion are integral in identifying patients who require neoadjuvant radiotherapy.While Neoadjuvant radiotherapy is potentially beneficial it may also result in morbidity and thus should be reserved for those patients who are at a high risk of local failure,which includes patients with nodal involvement,extramural venous invasion and threatened circumferential margin.The aim of this review is to discuss the role of neoadjuvant radiotherapy in the management of rectal cancer.

From basic to clinical:Anatomy of Denonvilliers’fascia and its application in laparoscopic radical resection of rectal cancer

The total mesorectal excision(TME)approach has been established as the gold standard for the surgical treatment of middle and lower rectal cancer.This approach is widely accepted to minimize the risk of local recurrence and increase the long-term survival rate of patients undergoing surgery.However,standardized TME causes urogenital dysfunction in more than half of patients,thus lowering the quality of life of patients.Of note,pelvic autonomic nerve damage during TME is the most pivotal cause of postoperative urogenital dysfunction.The anatomy of the Denonvilliers’fascia(DVF)and its application in surgery have been investigated both nationally and internationally.Nevertheless,controversy exists regarding the basic to clinical anatomy of DVF and its application in surgery.Currently,it is a hotspot of concern and research to improve the postoperative quality of life of patients with rectal cancer through the protection of their urinary and reproductive functions after radical resection.Herein,this study systematically describes the anatomy of DVF and its appli-cation in surgery,thus providing a reference for the selection of surgical treatment modalities and the enhancement of postoperative quality of life in patients with middle and low rectal cancer.

Assessment and management of low anterior resection syndrome after sphincter preserving surgery for rectal cancer

Many patients develop a variety of bowel dysfunction after sphincter preserving surgeries(SPS)for rectal cancer.The bowel dysfunction usually manifests in the form of low anterior resection syndrome(LARS),which has a negative impact on the patients'quality of life.This study reviewed the LARS after SPS,its mechanism,risk factors,diagnosis,prevention,and treatment based on previously published studies.Adequate history taking,physical examination of the patients,using validated questionnaires and other diagnostic tools are important for assessment of LARS severity.Treatment of LARS should be tailored to each patient.Multimodal therapy is usually needed for patients with major LARS with acceptable results.The treatment includes conservative management in the form of medical,pelvic floor rehabilitation and transanal irrigation and invasive procedures including neuromodulation.If this treatment failed,fecal diversion may be needed.In conclusion,Initial meticulous dissection with preservation of nerves and creation of a neorectal reservoir during anastomosis and proper Kegel exercise of the anal sphincter can minimize the occurrence of LARS.Pre-treatment counseling is an essential step for patients who have risk factors for developing LARS.

Risk factors for nonclosure of defunctioning stoma and stoma-related complications among low rectal cancer patients after sphincter-preserving surgery

Background::Defunctioning stoma is widely used to reduce anastomotic complications in rectal cancer surgery.However,the complications of stoma and stoma reversal surgery should not be underestimated.Furthermore,in some patients,stoma reversal failed.Here,we investigated the complications of defunctioning stoma surgery and subsequent reversal surgery and identify risk factors associated with the failure of getting stoma reversed.Methods::In total,154 patients who simultaneously underwent low anterior resection and defunctioning stoma were reviewed.Patients were divided into two groups according to whether their stoma got reversed or not.The reasons that patients received defunctioning stoma and experienced stoma-related complications and the risk factors for failing to get stoma reversed were analysed.Results::The mean follow-up time was 47.54(range 4.0-164.0)months.During follow-up,19.5%of the patients suffered stoma-related long-term complications.Only 79(51.3%)patients had their stomas reversed.The morbidity of complications after reversal surgery was 45.6%,and these mainly consisted of incision-related complications.Multivariate analyses showed that pre-treatment comorbidity(HR=3.17,95%CI 1.27-7.96,P=0.014),postoperative TNM stage(HR=2.55,95%CI 1.05-6.18,P=0.038),neoadjuvant therapy(HR=2.75,95%CI 1.07-7.05,P=0.036),anastomosis-related complications(HR=4.52,95%CI 1.81-11.29,P=0.001),and disease recurrence(HR=24.83,95%CI 2.90-213.06,P=0.003)were significant independent risk factors for a defunctioning stoma to be permanent.Conclusions::Defunctioning stoma is an effective method to reduce symptomatic anastomotic leakage,but the stoma itself and its reversal procedure are associated with high morbidity of complications,and many defunctioning stomas eventually become permanent.Therefore,surgeons should carefully assess preoperatively and perform defunctioning stomas in very high risk patients.In addition,doctors should perform stoma reversal surgery more actively to prevent temporary stomas from becoming permanent.

Magnetic resonance imaging-based deep learning model to predict multiple firings in double-stapled colorectal anastomosis

BACKGROUND Multiple linear stapler firings during double stapling technique(DST)after laparoscopic low anterior resection(LAR)are associated with an increased risk of anastomotic leakage(AL).However,it is difficult to predict preoperatively the need for multiple linear stapler cartridges during DST anastomosis.AIM To develop a deep learning model to predict multiple firings during DST anastomosis based on pelvic magnetic resonance imaging(MRI).METHODS We collected 9476 MR images from 328 mid-low rectal cancer patients undergoing LAR with DST anastomosis,which were randomly divided into a training set(n=260)and testing set(n=68).Binary logistic regression was adopted to create a clinical model using six factors.The sequence of fast spin-echo T2-weighted MRI of the entire pelvis was segmented and analyzed.Pure-image and clinical-image integrated deep learning models were constructed using the mask region-based convolutional neural network segmentation tool and three-dimensional convolutional networks.Sensitivity,specificity,accuracy,positive predictive value(PPV),and area under the receiver operating characteristic curve(AUC)was calculated for each model.RESULTS The prevalence of≥3 linear stapler cartridges was 17.7%(58/328).The prevalence of AL was statistically significantly higher in patients with≥3 cartridges compared to those with≤2 cartridges(25.0%vs 11.8%,P=0.018).Preoperative carcinoembryonic antigen level>5 ng/mL(OR=2.11,95%CI 1.08-4.12,P=0.028)and tumor size≥5 cm(OR=3.57,95%CI 1.61-7.89,P=0.002)were recognized as independent risk factors for use of≥3 linear stapler cartridges.Diagnostic performance was better with the integrated model(accuracy=94.1%,PPV=87.5%,and AUC=0.88)compared with the clinical model(accuracy=86.7%,PPV=38.9%,and AUC=0.72)and the image model(accuracy=91.2%,PPV=83.3%,and AUC=0.81).CONCLUSION MRI-based deep learning model can predict the use of≥3 linear stapler cartridges during DST anastomosis in laparoscopic LAR surgery.This model might help determine the best anastomosis strategy by avoiding DST when there is a high probability of the need for≥3 linear stapler cartridges.

腹腔镜下低位直肠癌根治术与传统开腹手术的疗效与安全性比较

目的观察腹腔镜下低位直肠癌根治术与常规开腹直肠癌根治术的近期疗效和安全性。方法选取2021年4月~2023年4月收治的80例低位直肠癌患者,采用随机数字表法分为观察组和对照组,各40例。观察组行腹腔镜下低位直肠癌根治术,对照组行常规开腹直肠癌根治术。比较两组围术期指标、环周切缘状态和保肛率、术后恢复情况、血清炎症因子水平及术后并发症发生率。结果两组手术时间、淋巴结清扫数目差异无统计学意义(P>0.05);观察组与对照组术中出血量分别为(90.24±23.34)ml、(148.02±18.67)ml,切口长度分别为(5.17±0.94)cm、(14.75±2.26)cm,观察组术中出血量少于对照组,切口长度短于对照组(P<0.05);两组患者手术后环周切缘阳性率和保肛率差异无统计学意义(P>0.05);观察组与对照组术后肛门首次排气时间分别为(2.07±0.85)d、(2.75±0.91)d,拔除尿管时间分别为(2.21±0.67)d、(3.45±1.22)d,术后首次下床活动时间分别为(4.55±1.17)d、(6.28±1.36)d,术后住院时间分别为(10.69±2.27)d、(12.86±3.61)d,观察组均短于对照组(P<0.05);手术后观察组与对照组血清白细胞介素-6(IL-6)水平分别为(63.09±7.25)ng/L、(69.71±8.43)ng/L,皮质醇(Cor)水平分别为(328.95±41.75)μg/L、(451.37±53.62)μg/L,C反应蛋白(CRP)水平分别为(22.64±7.78)mg/L、(34.51±11.92)mg/L,观察组均低于对照组(P<0.05);观察组与对照组术后并发症发生率分别为5.00%、20.00%,观察组低于对照组(P<0.05)。结论腹腔镜下低位直肠癌根治术与常规开腹手术治疗低位直肠癌在手术时间、淋巴结清扫数目、保肛率等方面效果接近,但腹腔镜下低位直肠癌根治术手术创伤较小,有利于减轻炎症反应、减少术后并发症,有助于术后早期康复。

预防性小肠造口对男性中低位直肠癌保肛手术患者排便及负性情绪的影响

目的:探讨男性中低位直肠癌保肛手术患者采取预防性小肠造口对排便和负性情绪的影响。方法:纳入2020年10月—2023年10月江阴市人民医院收治的107例男性直肠癌患者进行回顾性研究,根据患者采取的治疗方法分为小肠造口组(n=55)和常规治疗组(n=52)。比较两组术后各项指标(首次进食时间、排便时间和下床活动时间)、生活质量评分[生命质量测定量表-CR29(QLQ-CR29)]、排便功能、焦虑情况[90项症状自评量表(SCL-90)]和治疗满意度。结果:小肠造口组首次进食时间、排便时间和下床活动时间均早于常规治疗组,差异均有统计学意义(P<0.05);术前两组生活质量和排便功能比较,差异均无统计学意义(P>0.05);术后3个月小肠造口组生活质量和排便功能评分均明显高于常规治疗组,差异均有统计学意义(P<0.05);术后3个月后两组SCL-90各因子评分均较术前降低,且小肠造口组均明显低于常规治疗组,差异均有统计学意义(P<0.05);小肠造口组治疗满意度(98.18%)明显高于常规治疗组(82.69%),差异有统计学意义(P<0.05)。结论:男性中低位直肠癌保肛手术患者进行预防性小肠造口可有效缩短首次进食时间、排便时间和下床活动时间,提高生活质量和排便功能,减轻负性情绪,并提高患者治疗满意度。

重视低位直肠癌保肛策略规划

基于多学科诊疗模式背景和患者日益增长的高质量生活意愿,近年来低位直肠癌保肛策略发生改变。随着新辅助治疗模式的优化、手术术式的精化以及术后保肛理念的深入人心,低位直肠癌保肛策略逐渐从传统的单纯手术转变为综合治疗,保肛手术也更倾向于精准、极限保肛。综合治疗旨在为患者保留良好的肛门功能,减轻手术损伤。但低位直肠癌保肛综合治疗仍处于新兴发展阶段,对保肛的策略规划尚未达成共识。因此,总结各类低位直肠癌术前、术中、术后的治疗策略,对于低位直肠癌患者保肛方案的选择具有重要意义。本文着重探讨新辅助治疗模式的优化、“观察等待”方案、保肛技术的发展以及术后保肛策略等,旨在对低位直肠癌保肛策略规划的现状进行综述。

腹腔镜下低位直肠癌保肛术对老年低位直肠癌患者疼痛因子、应激反应指标及肠道功能的影响

目的:观察腹腔镜下低位直肠癌保肛术对老年低位直肠癌患者疼痛因子、应激反应指标及肠道功能的影响。方法:选择2022年1月—2023年1月枣庄市立医院收治的100例老年低位直肠癌患者作为研究对象,通过随机数表法分为对照组(n=50)和观察组(n=50)。对照组予以传统腹会阴联合切除术治疗,观察组予以腹腔镜下低位直肠癌保肛术治疗。比较两组疼痛因子、应激反应指标及肠道功能情况。结果:观察组术后1 d神经肽(NPY)及前列腺素E2(PGE2)低于对照组差异有统计学意义(P<0.05);术后1 d皮质醇(Cor)、醛固酮(ALD)、丙二醇(MDA)低于对照组,差异有统计学意义(P<0.05);观察组术后3个月肛管最大耐受容量(MTV)、肛管最大收缩压(MSP)、肛管静息压(ARP)高于对照组,差异有统计学意义(P<0.05);观察组术后3个月纪念斯隆—凯特林癌症中心(MSKCC)肠道功能问卷、癌症患者生活质量量表(EORTC QLQ-C30)评分高于对照组,差异有统计学意义(P<0.05)。结论:腹腔镜下低位直肠癌保肛术对老年低位直肠癌患者疼痛因子、应激反应指标具有调节作用,能促进患者术后肠道功能恢复和提高生活质量。

腹腔镜Miles手术与腹腔镜切除经肛门吻合术治疗超低位直肠癌的效果

目的:比较腹腔镜Miles手术与腹腔镜切除经肛门吻合术治疗超低位直肠癌的效果。方法:回顾性选取2018年6月—2021年12月甘肃中医药大学第四附属医院收治的80例超低位直肠癌患者。根据手术方式的不同将其分为对照组(40例)和观察组(40例)。对照组给予腹腔镜Miles手术,观察组给予腹腔镜切除经肛门吻合术。比较两组胃肠道功能恢复时间及止痛时间,围手术期指标,并发症,恢复情况,排便满意度。结果:观察组胃肠道功能恢复时间、止痛时间均明显短于对照组,差异有统计学意义(P<0.05)。观察组手术时间短于对照组,术中出血量及术后引流量均明显少于对照组,差异有统计学意义(P<0.05)。两组术后并发症发生率比较,差异无统计学意义(P>0.05)。观察组术后排气时间及住院时间均明显短于对照组,差异有统计学意义(P<0.05)。观察组排便满意度优良率显著优于对照组,差异有统计学意义(P<0.05)。结论:腹腔镜切除经肛门吻合术手术创伤较小,患者恢复较快,没有严重的并发症,术后排便功能也明显较优。

低位直肠癌保肛术后行早期排便功能训练护理模式对肛门功能的影响分析

目的 研究早期排便功能训练护理模式应用在低位直肠癌保肛术后患者的临床可行性,并深入探究有无影响肛门功能。方法 通过计算机1:1随机数列方式对本院2021年5月—2023年6月收治的低位直肠癌保肛术后患者82例均分两组。其中,参照组(n=41)采用常规护理,研究组(n=41)采用早期排便功能训练护理模式,比较护理后的效果。结果 研究组护理后的排便功能优良率以及护理工作满意度评分较参照组高,组间差异有统计学意义(P<0.05)。护理质量评分方面,研究组心理护理、训练干预、专业技术和护理中心等分值较参照组高,组间差异有统计学意义(P<0.05)。护理前两组患者的SAS评分和SDS评分对比,差异无统计学意义(P>0.05);护理后研究组SAS评分和SDS评分较参照组低,组间差异有统计学意义(P<0.05)。结论 低位直肠癌保肛术后患者选取科学有效的护理方法至关重要,其中早期排便功能训练护理模式对肛门功能的恢复具有积极的效果,护理工作满意度以及护理质量均明显提高,不良心理得到显著改善,具有较高的可行性。

回肠末端改良自闭式造口术治疗低位直肠癌腹腔镜保肛手术患者的疗效及安全性

目的探讨回肠末端改良自闭式造口术治疗低位直肠癌腹腔镜保肛手术患者的疗效及安全性。方法选取80例低位直肠癌患者,均接受腹腔镜保肛手术,根据造口方式的不同分为对照组(n=50)和改良组(n=30),对照组患者给予回肠末端袢式造口术,改良组患者给予回肠末端改良自闭式造口术。比较两组患者的术中相关指标、术后相关指标及并发症发生情况。结果两组患者手术时间、造口时间、术中出血量、肠功能恢复时间、首次进食时间比较,差异均无统计学意义(P﹥0.05),改良组患者住院时间明显短于对照组,住院费用明显低于对照组,差异均有统计学意义(P﹤0.01)。两组患者住院期间及远期并发症总发生率比较,差异均无统计学意义(P﹥0.05)。结论回肠末端改良自闭式造口术与回肠末端袢式造口术疗效及安全性均较好,但前者可明显缩短术后住院时间,减轻经济压力。

低位直肠癌患者保肛术后肛门功能锻炼方案的构建研究

目的 构建低位直肠癌患者保肛术后肛门功能锻炼护理方案并验证其临床应用效果。方法 通过文献查阅、小组讨论及直肠癌患者术后实际情况,制定符合直肠癌保肛术后渐进性肛门功能锻炼方案。选取我科2021年1月-2022年6月收治的低位直肠癌患者80例,按随机数字表法分为对照组和观察组,每组各40例;对照组采用常规术后肛门功能锻炼法,观察组在对照组基础上采用保肛术后肛门功能锻炼操进行训练。比较2组患者术后肛门功能锻炼执行率情况、肛门功能的恢复情况、并发症发生情况。结果 观察组患者术后肛门功能锻炼执行率优于对照组,差异有统计学意义(P<0.05)。观察组患者肛门功能评分低于对照组,差异有统计学意义(P<0.05)。观察组患者术后腹泻、肠梗阻的并发症发生少于对照组,差异有统计学意义(P<0.05)。结论 本研究构建的低位直肠癌患者保肛术后肛门功能锻炼康复方案在临床中应用效果较好,不但解决了患者术后肛门功能恢复差、并发症多等问题,还对患者术后肛门功能康复起到了很好的促进作用,提高患者生活质量。

术中低位结扎保留左结肠动脉对腹腔镜直肠癌前切除术患者的影响

目的:研究术中保留左结肠动脉对腹腔镜直肠癌切除术患者的影响。方法:选择2020年1月—2022年1月重庆市黔江区中医院收治的60例直肠癌患者作为研究对象,以随机数表法将患者分为试验组与对照组,各30例。两组均行腹腔镜直肠癌前切除术治疗,试验组术中低位结扎保留左结肠动脉,对照组术中高位结扎且不保留左结肠动脉。比较两组手术相关指标、术后相关指标、并发症及低位前切除综合征(low anterior resection syndrome,LARS)。结果:60例患者均顺利完成手术,无中转开腹者,住院期间无术后死亡病例。两组手术时间、术中出血量、腹腔引流量、肿瘤近端切缘距离、肿瘤远端切缘距离、淋巴结清扫情况、腹腔管引流时间、插置尿管时间、住院时间及术后吻合口瘘、吻合口狭窄、吻合口出血发生率比较,差异无统计学意义(P>0.05)。试验组术后肠鸣音恢复时间、术后肛门排气时间短于对照组,差异有统计学意义(P<0.05)。试验组住院期间、随访1年LARS发生率低于对照组,差异有统计学意义(P<0.05)。结论:腹腔镜直肠癌前切除术中低位结扎保留左结肠动脉,对手术相关指标及术后吻合口相关并发症影响较小,但有利于术后胃肠功能恢复,还能减少LARS发生。