Open Access

Application of spontaneously closing cannula ileostomy in laparoscopic anterior resection of rectal cancer

  • Authors:
    • Dong Chen
    • Huiying Zhao
    • Qiang Huang
    • Xiangming Xu
    • Xiaofei Cheng
    • Bingxin Ke
    • Danyang Wang
    • Hanju Hua
    • Jiahe Xu
    • Jianjiang Lin
    • Feng Ye
  • View Affiliations

  • Published online on: September 1, 2017     https://doi.org/10.3892/ol.2017.6872
  • Pages: 5299-5306
  • Copyright: © Chen et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

An anastomotic leak (AL) is the most serious complication observed in laparoscopic anterior resection of rectal cancer (LARRC). In order to protect anastomosis from AL and avoid stoma reversal surgery in patients with ileostomy, spontaneously closing cannula ileostomy (SCCI) was used in LARRC and its safety and feasibility were assessed in the present study. To the best of our knowledge, this is the first time that SCCI has been used in such a case. A total of 41 patients who underwent LARRC with SCCI or ileostomy procedures between November 2013 and August 2014 were retrospectively analyzed. The patient demographics, clinical features and surgical data were evaluated using a Mann‑Whitney U‑test, Fisher's exact test or linear‑by‑linear association. Demographics, surgical data and the majority of clinical features of the two groups were consistently similar. In the SCCI group, the length of postoperative stay, total cost and stoma period were significantly improved compared with those in the ileostomy group. Additionally, the median protective period in the SCCI group was 22 days [interquartile range (IQR), 19‑22 days], the median time to cannula removal was 23 days (IQR, 20‑24 days) and the median time to cannula stoma closure was 12 days (IQR, 11‑13 days). No SCCI‑associated complications occurred. No significant differences in routine complications, including staple‑line bleeding, anastomotic leak, anastomotic dehiscence, anastomotic stenosis and wound infection, were identified between the two groups. In LARRC, the SCCI procedure was demonstrated to be a safe and feasible diverting technique to protect anastomosis from AL. In contrast to ileostomy, the SCCI procedure obviated the requirement for stoma reversal surgery, which resulted in decreased lengths of postoperative hospital stay, hospitalization costs and stoma periods.

Introduction

Throughout the evolution of rectal cancer resection, an anastomotic leak (AL) has been considered the most serious postoperative complication. Although laparoscopic anterior resection of rectal cancer (LARRC) and intracorporeal anastomosis possess several technical drawbacks, including the lack of direct tactile sense, inadequate traction and an ineffective cutting angle of the end linear surgical stapler (1), the rate of AL in LARRC is similar to that of open surgery; reported to be between 6 and 17% (29). Furthermore, previous studies have demonstrated that LARRC is safe and feasible (1014).

AL often results in serious outcomes, including sepsis and emergency surgery, with ensuing prolonged hospital stays, increased costs, and increased morbidity and mortality (15,16). Previously, ileostomy was the only widely used method of avoiding AL-associated complications (17,18) despite the possibility of stoma-associated complications and a secondary surgery to close the stoma, which increase patient distress, overall costs and results in additional scarring (19,20).

To protect the anastomosis and avoid stoma reversal surgery two novel surgical methods, the Valtrac™-secured intracolonic bypass (VIB) and the spontaneously closing cannula ileostomy (SCCI), were developed in the Department of Colorectal Surgery at The First Affiliated Hospital, Zhejiang University (Hangzhou, Zhejiang, China). The use of VIB has been reported in open surgery (21,22) and laparoscopic surgery (23), whereas the use of SCCI has been reported in open procedures and hand-assisted laparoscopic surgery (2426). Suturing of the ileum to the peritoneum could not be finished under laparoscopic guidance, therefore, SCCI was not performed during laparoscopic surgery until the location of the SCCI was moved in November 2013. Subsequently, the SCCI technique was applied to LARRC. The present study assessed the efficacy and safety of SCCI in LARRC in comparison with ileostomy.

Patients and methods

Patients

The medical records of 41 consecutive patients with rectal cancer who had undergone selective LARRC with SCCI or ileostomy procedures to protect the anastomosis in the Department of Colorectal Surgery, First Affiliated Hospital, Zhejiang University, between November 2013 and August 2014, were retrospectively reviewed. All patients were followed up for ≥6 months following laparoscopic surgery. Patients in the ileostomy group were followed up for at least 3 months after reversal surgery.

Approval for the study was obtained from the Institutional Review Board of the First Affiliated Hospital, College of Medicine, Zhejiang University. Although a number of patients did not receive protective procedures in later surgery, all patients were informed about the LARRC, ileostomy or SCCI procedures preoperatively. Written consent was obtained from the patients between 1 and 3 days prior to the surgery. Inclusion criteria for the laparoscopic surgery were: i) A localized tumor >4 and <12 cm from the anal verge; ii) compliance with laparoscopy procedures; and iii) sufficient heart and lung function to withstand laparoscopic surgery. Exclusion criteria for the minimally invasive approach were: i) Cancer infiltrating contiguous organs [T4 of the Tumor-Node-Metastasis (TNM) colorectal cancer staging system] (27); ii) counter-indications to the pneumoperitoneum; and iii) a long-axis tumor size >6 cm. Preoperative study was based on locoregional staging using transanal ultrasonography or magnetic resonance imaging scans, and contrast-enhanced computed tomography scans of the thorax, abdomen and pelvis.

Patients with locally advanced rectal carcinomas (T3N0 or N+ of the TNM colorectal cancer staging system) were routinely suggested to receive neoadjuvant chemoradiation of 25 fractions of 45 Gy over 5 weeks, with 825 mg/m2 oral capecitabine twice daily (28). However, these suggestions were rejected by a number of the patients or their relatives. All patients treated with preoperative chemoradiation underwent surgery within 6 to 8 weeks of completing neoadjuvant therapy. Appropriate demographic information comprised age, sex, American Society of Anesthesiologists (ASA) score, body mass index (BMI), comorbidities, smoking status, level of tumor (the distance from the inferior margin of tumor to the anus) and neoadjuvant therapies. Measured outcomes included: Level of anastomosis, surgical duration, intraoperative blood loss, number of linear stapler firings, postoperative complications, length of postoperative stay, cost for LARRC, total cost (which included the cost of reversal surgery in the ileostomy group), Duke's stage, number of harvested lymph nodes and return of bowel function. Additionally, the protective period, the time to cannula removal and the time to cannula stoma closure were assessed in the SCCI group. Wounds were monitored daily until patients were discharged, and a follow-up of between 1 and 2 weeks was performed to observe any signs of infection.

Surgery
Surgical technique for laparoscopic anterior resection

The patients were placed in a modified lithotomy, right side down, in the Trendelenburg position. The open technique was used to introduce an initial 10-mm port, inferior to the umbilicus, prior to formation of a pneumoperitoneum using carbon dioxide. The gas line was connected and the laparoscope introduced. Subsequently, two 5-mm ports were inserted in the upper right and left abdominal quadrants, and one 12-mm port was inserted in the lower right abdominal quadrant under laparoscopic guidance. For the very low anastomosis patients, an additional 5-mm port was inserted between 3 and 4 cm superior to the upper margin of the pubic symphysis.

The procedure permitted the laparoscopic no-touch isolation technique, the so-called ‘medial to lateral’ approach and total mesorectal excision (TME) principles. Following mobilization of the left colon, if necessary, mobilization of the splenic flexure was performed; intracorporeal ligation of the inferior mesenteric vessels was performed, followed by mobilization of the rectum and the mesorectum. The peritoneum was cut from the lateral side to complete full mobilization prior to intracorporeal transection of the distal bowel, using a 45- or 60-mm Endo GIA stapler (Ethicon, Inc.; Johnson & Johnson, Cincinnati, OH, USA). The bowel was extracted through a small incision made beneath a wound protector in the left lower quadrant port and subsequently removed from associated proximal bowel. Purse string sutures were applied at the proximal stumps using straight needles (3–0 Maxon™, United States Surgical, Norwalk, CT, USA) and monofilament absorbable thread. A pocket was created locally to the proximal end of the sigmoid colon, and the anvil of an end-to-end anastomotic stapler (Ethicon Inc, Johnson & Johnson, Miami, FL, USA) was inserted and fixed. The stapler was inserted through the anus into the pelvic cavity. Following stapling, the anastomotic site and stapler were evaluated, and any anastomotic tears were sutured. Subsequently, SCCI or ileostomy was performed.

SCCI technique

Previously, two SCCI techniques have been reported by the Department of Colorectal Surgery, First Affiliated Hospital, Zhejiang University (24,26). An appropriate diversion of the distal small bowel was performed in the two methods to provide temporary diversion; the distinction was whether a stapler was used to block the distal ileum or not. In the present study, the SCCI protocol followed the method of Xu et al (26) (Fig. 1).

First, a purse string (3–0 Vicryl™; Johnson & Johnson, New Brunswick, NJ, USA) was made in the distal ileum 20–28 cm from the ileocecal valve (Fig. 2A). The diameters of the purse-string rings were ~10 mm. Thereafter, a small incision was created within the purse string; a 7.5-mm diameter hard trachea cannula (QC-01; Hangzhou Jinlin Medical Appliances Co., Ltd., Hangzhou, China) was then inserted, directed toward the proximal lumen (Fig. 2B). Normal saline (7–10 ml) was then injected into the air bag of the cannula until the ileum wall began to turn pale (Fig. 2C). The quantity of liquid was dependent on the inner diameter of the ileum cavity. The filled air bag prevented the cannula from slipping off of the ileum and also prevented downward intestinal content travel to a certain degree.

Second, the small bowel was blocked at B position (presented in Fig. 1) 5–8 cm from the purse string and 15–20 cm from the ileocecal valve, using a TL60 stapler (Ethicon Inc.; Johnson & Johnson; Fig. 2D). One row of nails, instead of the original two rows, was applied, with an appropriate closing thickness of between 1.5 and 2.0 mm (Fig. 2E).

Third, the cannula was pulled out of the abdominal cavity through the initial 10-mm port inferior to the umbilicus. The seromuscular layer of the ileum was sutured to the same location in the peritoneum, close to the tube; and the interrupted cyclic fixation was completed using 3 or 4 absorbable sutures (3–0 Vicryl; Johnson & Johnson; Fig. 2F). The tube was then pulled tight and the sutures at the fixation site were tightly knotted. The suturing process is important to avoid abdominal infection following tube extraction and it aintains the adhesion of bowel and peritoneum close to the tube. Finally, a short flexible rubber tube was set around the tube outside the abdominal skin to fix the tracheal tube (Fig. 2G), and then an ostomy bag was placed to collect intestinal contents (Fig. 2H).

Ileostomy technique

The technical aspects of ileostomy have been well studied (24). The stomas were placed on the lower right side of the abdomen and were closed between 3 and 6 months later.

Assessment and definition Bowel function

Return of bowel function was defined as the first passage of flatus or bowel movement with tolerance of an oral diet. Ileus was defined as a delayed return of bowel function. Observed symptoms of ileus included abdominal distention, intolerance of an oral diet, nausea or radiographic evidence of dilated bowel with no evident obstruction. Bowel obstruction was defined as exhibiting similar symptoms to ileus with the distinction that these symptoms were accompanied by radiographic evidence of the dilated bowel with a clear obstruction observed. In the SCCI group, once bowel function recovered, the patients were provided a liquid diet or a no-residue semiliquid diet until the cannula was removed. The special diet supplement was administered in order to prevent obstruction of the minor-caliber cannula stoma.

AL, dehiscence and stenosis

Routine examination of the anastomosis was performed at ~7 and 14 days postoperatively by digital rectal examination. If necessary, a Urografin enema colonography was performed to assess the anastomosis. Digital rectal examination and colonography were conducted on all patients in the ileostomy group prior to the reversal surgery in order to avoid AL, dehiscence and stenosis (Fig. 3).

AL was defined as a defect in intestinal wall integrity at the colorectal or coloanal anastomosis site, leading to communication between the intra- and extra-luminal compartments, and may be diagnosed through digital rectal examination or colonography. Anastomotic dehiscence was defined as incomplete anastomosis, usually detected through digital rectal examination and lacking clinical manifestations. Anastomotic stenosis was detected upon digital rectal examination or colonography, and an additional procedure to relieve the stenosis was inevitably required prior to undertaking the reversal surgery.

Time to cannula removal and cannula stoma closure

Time to cannula removal was defined as the duration from laparoscopic surgery to cannula removal. The criteria for removing cannula were: i) A period of at least 14 days postoperatively; ii) recovered anal defecation; and iii) absence of evident dehiscence on digital examination, and colonography if required. When AL occurred, if an emergency surgery was not required, the cannula was retained and the patient received total parenteral nutrition or enteral nutrition until the AL was closed. Time to cannula stoma closure was defined as the duration from cannula removal to the closure of cannula stoma. This time impacted patient quality of life.

Protective period and stoma period

The stoma period in the SCCI group was defined as the period from the surgery to the closure of cannula stoma, which included the time to cannula removal and the time to cannula stoma closure, as aforementioned. The stoma period in the ileostomy group refers to the duration between the laparoscopic surgery and the reversal surgery. This time impacted the patient quality of life.

Statistical analysis

Due to the small sample size of the two treatment groups, continuous and ordinal data were presented as median with interquartile range (IQR; range between the 25 and 75th percentiles). Comparisons of non-parametric data between groups were performed using the Mann-Whitney U test. The categorical data were presented as numbers and percentages, and Fisher's exact test was performed for comparisons between groups. The categorical data of Dukes' stage was evaluated using linear-by-linear association. A two-tailed P-value of <0.05 was considered to indicate a statistically significant difference. All statistical analyses were performed using SPSS (version 16.0; SPSS, Inc., Chicago, IL, USA).

Results

Between November 2013 and August 2014 the SCCI and ileostomy techniques were performed in 19 and 22 cases of LARRC, respectively. The demographic data and preoperative symptoms of the patients were similar in the two groups, including age, sex, ASA score, BMI, smoking status, preexisting diseases, level of tumor (the distance from the inferior margin of tumor to the anus) and neoadjuvant radio-chemotherapy (Table I).

Table I.

General patient characteristics.

Table I.

General patient characteristics.

CharacteristicAll patients (n=41)SCCI patients (n=19)Ileostomy patients (n=22)P-value
Agea, years64 (61–67.5)64 (59–68)64.5 (62–67.8)0.409
Sexb >0.999
  Female17 (41.5)8 (42.1)9 (40.9)
  Male24 (58.5)11 (57.9)13 (59.1)
ASA scorea1 (1–1)1 (1–1)1 (1–1)0.286
BMIa, kg/m223.6 (22.9–24.1)23.5 (22.5–24.1)23.6 (23.1–24.5)0.505
Diabetesb8 (19.5)4 (21.1)4 (18.2)>0.999
Hypertensionb11 (26.8)5 (26.3)6 (27.3)>0.999
Smokerb10 (24.4)5 (26.3)5 (22.7)>0.999
Level of tumora, cm7 (6–8)7 (6–8)7 (5–8)0.698
Neoadjuvant radio-chemotherapyb6 (14.6)3 (15.8)3 (13.6)>0.999

a Data are presented as median (inter-quartile range) and tested using the Mann-Whitney U test.

b Data are presented as number of patients (percentage) and tested using Fisher's exact test. ASA, American Society of Anesthesiologists; BMI, body mass index; SCCI, spontaneously closing cannula ileostomy.

The intraoperative and postoperative patient data are presented in Table II. No significant differences in the level of anastomosis, surgical time, intraoperative blood loss, number of linear stapler firings, adverse events, cost of LARRC, distribution of Duke's stage, number of harvested lymph nodes or time of bowel function recovery were identified (P>0.05). Due to the inevitability of reversal surgery in the ileostomy group, the overall postoperative hospital stay was significantly increased compared with that in the SCCI group (median, 13 vs. 7 days; P<0.001); the total cost in the ileostomy group was also significantly increased compared with that in the SCCI group (median, $11,350 vs. $6,500; P<0.001).

Table II.

Surgical patient data.

Table II.

Surgical patient data.

CharacteristicAll patients (n=41)SCCI patients (n=19)Ileostomy patents (n=22)P-value
Level of anastomosisa, cm4 (3–5)4 (3–5)4 (3–5)0.559
Surgical timea, min200 (177.5–214.5)199 (175–214)201 (177–223)0.763
Intraoperative blood lossa100 (50–100)50 (50–100)100 (50–100)0.277
Number of linear stapler firingsa3 (3–3)3 (2–3)3 (3–4)0.077
Adverse events
  Staple-line bleedingb3 (7.3)1 (5.3)2 (9.1)>0.999
  Anastomotic leakb1 (2.4)1 (5.3)0 (0.0)0.463
  Anastomotic dehiscenceb3 (7.3)1 (5.3)2 (9.1)>0.999
  Wound infectionb,c5 (12.2)2 (10.5)3 (13.6)>0.999
  Stapled anastomotic stenosisb2 (4.9)0 (0.0)2 (9.1)0.490
Length of post-operative stay, daysa,b,d12 (7–13.5)7 (7–9)13 (13–15.25)<0.001
Cost in $1,000s
  Cost for LARRCa6.6 (6.4–6.75)6.5 (6.4–6.7)6.6 (6.4–6.825)0.502
  Total costa,c,d10.9 (6.55–11.4)6.5 (6.4–6.7)11.35 (11.1–11.6)<0.001
Duke's stagese
  A (T1-2N0M0)4 (9.8)2 (10.5)2 (9.1)0.814
  B (T3-4N0M0)30 (73.2)14 (73.7)16 (72.7)
  C (TXN1-2M0)7 (17.1)3 (15.8)4 (18.2)
Number of harvested lymph nodesa13 (12–14.5)14 (12,15)13 (12–13.25)0.100
Time of bowel function recovery, days
  First flatus postoperativelya3 (3–3)3 (3–3)3 (3–4)0.162
  Oral intakea3 (3–4)3 (3–4)3 (3–4)0.541

a Data are presented as median (inter-quartile range) and tested by Mann-Whitney U test.

b Data are presented as number of patients (percentage) and tested by Fisher's exact test.

c The ileostomy group includes the patients readmitted for reversal surgery.

d P<0.05 indicates a statistically significant difference between the 2 groups.

e Data are presented as number of patients (percentage) and tested by linear by linear association test. SCCI, spontaneously closing cannula ileostomy; LARRC, laparoscopic anterior resection of rectal cancer.

AL occurred in 1 case in the SCCI group, at day 6 postoperatively, in a patient exhibiting a fever (38.5–38.8°C for 2 days and 37.8–38.2°C for 3 days) and drainage of muddy liquid (10–20 ml, duration of 6 days). There was no serious sepsis or emergency surgery required in this patient, which was a benefit of the protection afforded by SCCI. For patients in the protective period, feces had not passed through the anastomosis. A total of 2 patients with stapled anastomotic stenosis were identified in the ileostomy group where an additional procedure to relieve the stenosis was subsequently performed.

With the key aim of avoiding emergency surgery as a result of AL, in the SCCI group the median protective period was 22 days (IQR, 19–22 days). The median time to cannula removal and cannula stoma closure were 23 days (IQR, 20–24 days) and 12 days (IQR, 11–13 days), respectively. The stoma period in the SCCI group was significantly decreased compared with that in the ileostomy group (median, 34 vs. 95 days; P<0.001), which led to improved patient quality of life (Table III).

Table III.

Protective period, time to cannula removal, time to cannula stoma closure and stoma period.

Table III.

Protective period, time to cannula removal, time to cannula stoma closure and stoma period.

Parameter, daysAll patients (n=41)SCCI patients (n=19)Ileostomy patients (n=22)P-value
Protective period 22 (19–22)
Time to cannula removal 23 (20–24)
Time to cannula stoma closure 12 (11–13)
Stoma perioda89 (34–95)34 (31–37)95 (91–99)<0.001

a P<0.05 analyzed using the Mann-Whitney U test. Data are presented as the median (interquartile range). SCCI, spontaneously closing cannula ileostomy.

Discussion

AL remains the most serious early postoperative complication following rectal cancer resection using open and laparoscopic techniques (25,79,2932), frequently exhibiting early adverse effects on bowel function and quality of life (33). Furthermore, numerous studies suggested that the increased incidence of negative prognostic factors, including local recurrence, functional disorders and mortality, were associated with AL (2,15,16,3438). Despite much effort, even the most experienced surgeon is unable to avoid AL in all cases. The major risk factors for AL include being male, older age, smoking, obesity, TME, blood loss, neoadjuvant radiotherapy, corticosteroid treatment, diabetes, hypertension, cardiovascular disease, weight loss, hypoproteinemia, anemia, metabolic disorders, the distance of the anastomosis from the anal verge and the experience of the surgeon (25,16,29,3945). Additionally, laparoscopic rectal transection in the lower rectum utilizes at least two linear staplers (in the present study, the median number of linear stapler firings in the two groups was 3) with a cutter, which may lead to an excessively long stapling line with an inadequate cutting angle, which may increase the incidence of AL (1,10). Thereafter, protection of the anastomosis in LARRC was inevitable in certain high-risk patients.

To protect the anastomosis and avoid additional reversal surgery, the Department of Colorectal Surgery, First Affiliated Hospital, Zhejiang University, developed two surgical methods, VIB and SCCI. However, the VIB technique was not suitable for patients in whom the anastomosis was too far from the anal verge (>7 cm) or in whom the colon wall was too thick. Furthermore, the protected period in the VIB group could not be controlled, and so could not be prolonged artificially when the AL persisted. Nevertheless, SCCI is able to solve these problems and has been used in open procedures and hand-assisted laparoscopic surgery (2426). The interrupted cyclic fixation step from the ileum to the peritoneum was completed through the abdominal incision, as settling of the stoma position in the right lower abdomen prevented completion of this step under the laparoscopic incision. Furthermore, this step was key to preventing abdominal infection following tube extraction and maintaining adhesion of the bowel and peritoneum to the tube. These issues prevented use of the SCCI method in LARRC. In the present study, the stoma position was transferred from the right lower abdomen to the puncture hole closely inferior to the umbilicus. Subsequently, the interrupted cyclic fixation step was able to be finished through the laparoscopic incision, as the distance from the incision to the cannula ileostomy was sufficiently decreased. Additionally, there was an adjustment to the surgical detail; a previous study indicated that a double row of concentric purse string sutures was required (24), whereas the patients in the present study accepted a single row of purse string sutures in the distal ileum. However, no suture-associated adverse events were detected in any cases. Therefore, the results of the present study suggest that a single row of purse string sutures is sufficient, which will decrease the duration of surgery by several min.

No statistical significance was evident in the majority of the parameters between the SCCI and ileostomy groups in LARRC; however, the total cost, length of postoperative stay and stoma period were significantly improved in the SCCI group (P<0.001), with reversal surgery in the ileostomy group as an underlying influencing factor. These results suggested that the SCCI procedure in LARRC obviates the requirement for reversal surgery, and exhibits safety comparable to the ileostomy group in the primary surgery. The results of the present study supported previous data from a large sample study in open and hand-assisted laparoscopic low anterior resection (24), in which it was revealed that the overall postoperative hospital stay (P<0.01) and cost (P<0.01) were increased in the Ileostomy group compared with the SCCI group.

As aforementioned, 1 patient in the SCCI group experienced AL at day 6 postoperatively, with the manifestation of a fever (38.5–38.8°C for 2 days and 37.8–38.2°C for 3 days) and drainage of a small amount of muddy liquid (10–20 ml for 6 days). Due to the protection offered by SCCI, feces had not passed through the anastomosis, which may have contributed to the absence of serious peritonitis. Therefore, this patient was cured without requiring emergency surgery. Whether defunctioning stoma can prevent AL remains unknown, however, it decreases the incidence of sepsis and emergency surgery due to fecal diversion (17,18,46,47). Furthermore, AL typically presents 2–17 days postoperatively (48), therefore the key stage during which fecal diversion must be maintained is 3–4 weeks postoperatively. In the present study, the median protected period was 22 days, during which the anastomosis was effectively protected. Additionally, the air bag filled with normal saline prevented downward intestinal content travel; although the ileum cavity was slowly expanded to relieve the block, more normal saline could be injected into the air bag to maintain the blocking of feces. To prolong the protected period, use of two separate single-row nails to block the ileum is currently under investigation. The two novel aforementioned methods may prolong the protected period significantly.

A total of 2 patients had stapled anastomotic stenosis in the ileostomy group; thus, an additional procedure to relieve the stenosis was required. These 2 patients were among the 3 patients who underwent neoadjuvant radio-chemotherapy preoperatively. However, no stenosis occurred in the SCCI group, although 3 patients received neoadjuvant radio-chemotherapy preoperatively. According to the National Comprehensive Cancer Network guidelines (49), patients with locally advanced cancer are suggested to undergo neoadjuvant radio-chemotherapy preoperatively. However, these patients exhibit an increased rate of anastomotic stenosis, which is associated with the period for the absence of feces passing through the anastomosis (5054). For the majority of patients in the SCCI group in the present study, anal defecation recovered in less than a month, which may prevent stenosis and the requirement for additional surgery. Additionally, SCCI did not affect postoperative chemotherapy; chemotherapy was able to be administered prior to cannula stoma closure or even prior to cannula removal.

In conclusion, despite the small size of the treatment groups and the non-randomized nature of the present study, results demonstrated that in LARRC, the SCCI procedure appeared to be a safe, feasible diverting technique to protect the anastomosis. Compared with ileostomy, the SCCI procedure obviated the requirement for stoma reversal surgery, which resulted in a decreased postoperative hospital stay, hospitalization costs and stoma period.

Acknowledgements

The present study was supported by the Public Welfare Technology Research Project and the Science and Technology Department of Zhejiang, China (grant no. 2015C33208).

Glossary

Abbreviations

Abbreviations:

AL

anastomotic leak

ASA

American Society of Anesthesiologists

BMI

body mass index

LARRC

laparoscopic anterior resection of rectal cancer

SCCI

spontaneously closing cannula ileostomy

TME

total mesorectal excision

VIB

Valtrac™-secured intracolonic bypass

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November-2017
Volume 14 Issue 5

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Copy and paste a formatted citation
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Spandidos Publications style
Chen D, Zhao H, Huang Q, Xu X, Cheng X, Ke B, Wang D, Hua H, Xu J, Lin J, Lin J, et al: Application of spontaneously closing cannula ileostomy in laparoscopic anterior resection of rectal cancer. Oncol Lett 14: 5299-5306, 2017
APA
Chen, D., Zhao, H., Huang, Q., Xu, X., Cheng, X., Ke, B. ... Ye, F. (2017). Application of spontaneously closing cannula ileostomy in laparoscopic anterior resection of rectal cancer. Oncology Letters, 14, 5299-5306. https://doi.org/10.3892/ol.2017.6872
MLA
Chen, D., Zhao, H., Huang, Q., Xu, X., Cheng, X., Ke, B., Wang, D., Hua, H., Xu, J., Lin, J., Ye, F."Application of spontaneously closing cannula ileostomy in laparoscopic anterior resection of rectal cancer". Oncology Letters 14.5 (2017): 5299-5306.
Chicago
Chen, D., Zhao, H., Huang, Q., Xu, X., Cheng, X., Ke, B., Wang, D., Hua, H., Xu, J., Lin, J., Ye, F."Application of spontaneously closing cannula ileostomy in laparoscopic anterior resection of rectal cancer". Oncology Letters 14, no. 5 (2017): 5299-5306. https://doi.org/10.3892/ol.2017.6872