Trephine Transverse Colostomy Is Effective for Patients Who Have Previously Undergone Rectal Surgery

Article information

Ann Coloproctol. 2018;34(2):72-77
Publication date (electronic) : 2018 April 30
doi : https://doi.org/10.3393/ac.2017.09.29
Departments of Colon and Rectal Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
Correspondence to: Chan Wook Kim, M.D. Department of Colon and Rectal Surgery, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Korea Tel: +82-2-3010-3928, Fax: +82-2-3010-6701 E-mail: crscwkim@amc.seoul.kr
Received 2017 April 20; Accepted 2017 September 29.

Abstract

Purpose

Colostomy creation is an essential procedure for colorectal surgeons, but the preferred method of colostomy varies by surgeon. We compared the outcomes of trephine colostomy creation with open those for the (laparotomy) and laparoscopic methods and evaluated appropriate indications for a trephine colostomy and the advantages of the technique.

Methods

We retrospectively evaluated 263 patients who had undergone colostomy creation by trephine, open and laparoscopic approaches between April 2006 and March 2016. We compared the clinical features and the operative and postoperative outcomes according to the approach used for stoma creation.

Results

One hundred sixty-three patients (62%) underwent colostomy surgery for obstructive causes and 100 (38%) for fistulous problems. The mean operative time was significantly shorter with the trephine approach (trephine, 46.0 ± 1.9 minutes; open, 78.7 ± 3.9 minutes; laparoscopic, 63.5 ± 5.0 minutes; P < 0.001), as was the time to flatus (1.8 ± 0.1 days, 2.1 ± 0.1 days, 2.2 ± 0.3 days, P = 0.025). Postoperative complications (<30 days) were not different among the 3 approaches (trephine, 4.3%; open, 1.2%; laparoscopic, 0%; P = 0.828). In patients who underwent rectal surgery, a trephine colostomy was feasible for a diversion colostomy (P < 0.001).

Conclusion

The trephine colostomy is safe and can be implemented quickly in various situations, and compared to other colostomy procedures, the patient’s recovery is faster. Previous laparotomy history was not a contraindication for a trephine colostomy, and a trephine transverse colostomy is feasible for patients who have undergone previous rectal surgery.

INTRODUCTION

An enterostomy is a purposeful anastomosis between a segment of the gastrointestinal tract and the skin of the anterior abdominal wall [1] that can be created virtually anywhere along the gastrointestinal tract. For diversion of the fecal stream, the most common form of an enterostomy is made using the distal ileum or colon. Temporary or permanent fecal diversions may be needed to manage a variety of pathologic conditions, including congenital anomalies, colon obstruction, inflammatory bowel disease, traumatic disruption of the intestinal tract, gastrointestinal malignancy or metastatic malignancy, as well as complications of rectal surgery [2].

Minimally invasive surgical procedures have been applied with increasing frequency to intestinal operations. Although stoma creation is traditionally achieved via a formal laparotomy, the procedure is well suited as a minimally invasive approach and is now being applied more widely. A minimally invasive approach avoids a large abdominal incision and, therefore, should minimize postoperative pain, ileus, and wound complications. Other advantages may include limited use of postoperative narcotics, shorter hospital stay, and earlier initiation of other therapy, such as chemotherapy or radiation therapy [3-5].

In this study, we compared the outcomes of colostomy creation by using the trephine method with those of colostomy creation by using open (laparotomy) and laparoscopic methods. Furthermore, we evaluated the indications for a trephine colostomy and the advantages of the technique.

METHODS

Patients

The records of all 482 patients who had undergone a colostomy operation between April 2006 and March 2016 were retrospectively reviewed. All colostomy creations were made by 7 colorectal surgeons with their preferred methods (trephine, open, or laparoscopic). We finally included 263 patients who had undergone a colostomy for the sole purpose of making a diversion colostomy. All pediatric patients and all patients who had undergone a colostomy as a part of a different surgical procedure or had had severe septic conditions were excluded. Patients in whom additional procedures had been executed were also excluded. The protocol for the present study protocol was approved by the Institutional Review Committee of Asan Medical Center (2016-0887) and the informed consent was waived.

The various indications of a colostomy were classified into 2 groups: obstructive or fistulous. Primary colorectal cancer obstruction, metastatic cancer obstruction, recurred colorectal cancer obstruction, anastomotic stricture, pseudo-obstruction, sigmoid volvulus, and colonic endometriosis were considered obstructive indications. Fistulous indications included rectal fistulae or abscesses due to benign or malignant conditions, delayed anastomotic leakage after rectal surgery, and colonic fistulae.

Patients were divided into 3 groups according to the colostomy procedures: open, trephine, or laparoscopic. The demographics, operation time, length of hospital stay, time to return of bowel function, and early complications were analyzed for each group. The demographics included age, sex, anesthesia method, American Society of Anesthesiologists (ASA) physical status classification grade, and history of previous abdominal surgery.

Operative procedure

The wound/ostomy, continence nurse evaluated the stoma site prior to surgery. The inguinal area, the umbilicus, the costal margin, skin folds, and scars frequently interfered with stoma care. Leave a 5-cm margin of smooth skin around the stoma is desirable. Potential stoma sites were identified in both lower quadrants and in the left upper quadrant, and the eventual choice was marked with a permanent pen. In all cases, the stoma was placed within the rectus abdominis muscle, which provided support and reduced the incidence of parastomal hernia.

Trephine colostomy

After careful review of the abdominopelvic computed tomography (CT) images, the abdominal area with a loop of the transverse or sigmoid colon immediately beneath the marked site was identified. In most cases, a transverse colostomy was made in the left upper quadrant. However, in cases with a redundant transverse colon, a transverse colostomy was created in the left lower quadrant (Fig. 1). A disk of skin and subcutaneous tissue was excised to make the opening. This was typically performed within the rectus muscle. A cruciate incision was made in the anterior rectus fascia, the rectus muscle was split along its fibers, and the posterior sheath and peritoneum were incised and opened. If necessary, the opening was extended in the vertical or the horizontal direction. With the use of Babcock’s forceps, the transverse or sigmoid colon was grasped and introduced into the wound. In the case of a transverse colon, it was traced along the greater omentum, and the omentum was freed from the colon to allow sufficient exteriorization without tension. In the case of the sigmoid colon, which sometimes had a short mesentery or some peritoneal adhesions, a lateral mobilization with Metzembaum scissors was necessary. The colostomy was anchored to the abdominal wall with sutures, and the seromuscular layer of the colon was fixed to 2 layers of the rectus fascia with interrupted non-absorbable sutures without the use of a stoma rod.

Fig. 1.

Case with a redundant transverse colon. (A) The abdominopelvic computed tomography scan demonstrated a redundant transverse colon (arrow). (B) A transverse colostomy was created in the left lower quadrant by using the trephine approach.

Laparoscopic colostomy

A 12-mm trocar was inserted in the periumbilical area (or colostomy site) to receive the camera. The abdomen was inspected for masses, carcinomatosis, adhesions, and/or any other pathology. Two 5-mm ports were placed in the right upper and lower quadrants of the abdomen to facilitate the identification, dissection, and raising of the limb of the bowel for the stoma.

Maturation of the colostomy

After the seromuscular fixation to the rectus fascia, stomas were matured with a simple eversion technique using an absorbable suture. This was performed circumferentially and tied down after satisfactory bites had been obtained.

Statistical analysis

Categorical variables were compared using Fisher exact test or Pearson chi-square test, as appropriate, and continuous variables were compared using the Mann-Whitney U-test or the independent samples t-test. The Kruskal-Wallis test was used for nonparametric analysis of variance. All numbers were expressed as means ± standard deviations, and P < 0.05 was considered statistically significant. Statistical analyses were performed using IBM SPSS Statistics ver. 21.0 (IBM Co., Armonk, NY, USA).

RESULTS

The indications for a colostomy were obstructive causes in 163 patients (62%) and fistulous causes in 100 patients (38%). The causes are detailed in Table 1. The characteristics of the patients in the 3 treatment groups (open, trephine, and laparoscopic colostomy) are summarized in Table 2. No difference in age, sex, body mass index (BMI), or ASA physical status classification grade was noted among the three groups. The trephine and the open colostomy were more frequently performed for obstructive causes than the laparoscopic colostomy was (P = 0.017). The laparoscopic approach was more frequently performed in patients with no previous history of abdominal surgery (P = 0.001). The trephine colostomy was performed mainly to make a transverse colostomy, and a laparoscopic colostomy was performed mainly for a sigmoid colostomy (P < 0.001).

Indications for a colostomy in the 263 study patients

Characteristics of patients according to type of stoma approach

Operative and postoperative outcomes are shown in Table 3. The mean operative time was significantly shorter for the trephine group than for the open and the laparoscopic groups (46.0 ± 1.9 minutes vs. 78.7 ± 3.9 minutes vs. 63.5 ± 5.0 minutes, P < 0.001), and the time to flatus was also shortest in the trephine group (1.8 ± 0.1 days vs. 2.1 ± 0.1 days vs. 2.2 ± 0.3 days, P = 0.025). No differences in the length of hospital stay or the incidence of complications were found among the 3 groups. During the trephine procedure, 7 of 161 cases (4.3%) were converted to a laparotomy. During the laparoscopic operation, 1 of 20 cases (5%) was converted to a laparotomy.

Operative and postoperative outcomes according to type of stoma approach

Of the 263 patients, 87 (33.0%) had a previous history of rectal surgery. Among these 87 patients, most causes for the colostomy were fistulous problems (P < 0.001) (Table 4), and transverse loop or end-loop colostomies were more often used (P < 0.001). The trephine colostomy was the most preferred method for 87 patients with a history of surgery, and laparoscopic approaches were rarely used.

Differences in colostomy formation according to history of previous re ctal surgery

DISCUSSION

The trephine and the laparoscopic stoma techniques can be applied for an ileostomy or a colostomy of an end or a loop type. In this study, trephine and laparoscopic colostomies were found to be successful in 173 of 181 cases (95.6%). Seven of the trephine colostomies (4.3%) were converted to open surgery. The reasons for conversion were adhesions in five cases and bowel dilatation with a thick abdominal wall in 2 cases. For 1 patient undergoing a laparoscopic colostomy, the procedure was switched to open surgery due to bowel dilatation and a thick abdominal wall.

In previous studies, adhesion was the main reason for conversion to open surgery [3, 6-9]. Among studies about the trephine colostomy, the rates of conversion were reported to be 6%–29% [3, 5, 9, 10]. In this study, 7 cases (4.3%) were converted to a laparotomy during a trephine colostomy, a relatively lower rate than previously reported. Especially in the trephine colostomy group, among 106 patients who had a history of abdominal surgeries, the trephine colostomy was feasible for 101 patients (95.3%).

Two cases were converted from a trephine colostomy to a laparotomy because of obesity. One case resulted from a thick abdominal wall and severe bowel dilatation; the patient’s BMI was 33.36 kg/m2. The other case resulted from a pseudo-obstruction of colon; in this case, the patient’s with a BMI of 34.28 kg/m2. In a previous study, CT-guided stoma formation was reported to be beneficial [11]; similarly, we did a careful review of the abdominopelvic CT before a trephine colostomy to identify the target colon. This was very useful for determining the appropriate colostomy method.

In this study, the mean operation times and the recovery times were significantly shorter for patients who underwent a trephine colostomy; however, the lengths of hospital stay were not statistically different among the 3 colostomy methods. Although many previous studies included hospital stay as a variable for comparing colostomy methods, this variable is really not a meaningful one because hospital stay is determined by the original disease, which is reason for the colostomy, not by the colostomy. For example, in patients with perineal infection, long hospital stays are required for infection control, even after the stoma function. Thus, we believe that bowel function recovery time is a more reliable variable for comparing colostomy modalities.

The trephine colostomy has been reported to have many benefits, including limited abdominal incisions and the ability to be performed under local or regional anesthesia [3, 12]. However, it does have disadvantages: the small incision makes orienting the bowel difficult and inspecting the abdominal cavity impossible. Furthermore, potential pitfalls of the technique include retraction of the stoma, difficulty in identifying the proximal loop, prolapse, and stricture [10, 13, 14]. One study reported complication rates as high as 25% [15] while in the current study, only 7 complications (4.3%) occurred after a trephine colostomy, and the difference between the open and the laparoscopy approaches was not significant (P = 0.828). The stoma-related complications were known to have occurred after the period of physiologic adjustment. For most patients, complications occur between 6 and 10 weeks after the surgery. One large series found that 81% (448 of 553) of the complications occurred within the first month postoperatively [16]. Another series identified that the actuarial risks of parastomal complications were 58.1% until 13 years postoperatively [17].

In our institution, 7 surgeons used different methods for a colostomy, open, trephine, and/or laparoscopic. In our experience, the surgeons who prefer a trephine colostomy, rarely encountered complications, and their patients had fast recovery after surgery; this was the motivation driving this study. At our institution, before surgery, our surgeons review abdominal CT images very carefully; if severe adhesions are suspected or the target colon is thought to be too short to lift up, the surgeons remove the trephine method from consideration. Nevertheless, we had no hard data to support drawing any conclusions based on our experience, so we tried to evaluate our colostomy methods and to find indications for their use. The present study was designed to compare the short-term operative outcomes (<30 days) and the recoveries of the patients; thus, accurate interpretations of the complication rates were limited. If the complications rates are to be interpreted accurately, long-term follow-up studies will be necessary.

In this study, the trephine and the open methods mainly used the transverse colon for diversion colostomies while laparoscopic colostomy creation mainly used the sigmoid colon. This was most likely related to the previous history of surgery. Of the patients who had undergone surgery in the past, 52.4% (87 of 166) had a history of the rectal surgery, and patients who have undergone rectal surgery will usually have a relatively shorter sigmoid colon, thus rendering colostomy creation at this site difficult. In those cases, the transverse colon was a more feasible site for a diversion colostomy and had the further advantage of the surgeon’s being able to determine the direction of colon through verification of the direction of the omental attachment.

This study has many limitations. First, inclusion criteria were not strictly controlled because our data was not collected prospectively. Nevertheless, the facts that this was the first study comparing three different methods of colostomy creation, that it was one of the largest comparative study to date, and that data were analyzed several ways make this a meaningful study. Second, although trephine stoma creation showed superior operation and recovery times, the open and the laparoscopic method still had substantial benefits of abdominal exploration.

This study showed that all three colostomy methods could be safely performed with low complication rates. Especially, the trephine colostomy was implemented safely and quickly in various situations and its use was feasible for patients who had undergone previous open abdominal surgeries. Furthermore, the trephine transverse colostomy was a useful method for patients who had previously undergone rectal surgery. Nevertheless, well-designed studies on the delicate indications for and the long-term outcomes of a trephine colostomy are needed.

Notes

No potential conflict of interest relevant to this article was reported.

References

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Article information Continued

Fig. 1.

Case with a redundant transverse colon. (A) The abdominopelvic computed tomography scan demonstrated a redundant transverse colon (arrow). (B) A transverse colostomy was created in the left lower quadrant by using the trephine approach.

Table 1.

Indications for a colostomy in the 263 study patients

Cause No. (%)
Obstructive cause 163 (61.9)
 Primary colorectal cancer 63 (24.0)
 Metastatic cancer 51 (19.4)
 Recurred colorectal cancer 30 (11.4)
 Benign cause 19 (7.2)
Fistulous cause 100 (38.0)
 Perianal disease due to benign disease 46 (17.5)
 Pelvic abscess or fistula after low anterior resection 42 (16.0)
 Rectal fistula due to malignancy 9 (3.4)
 Colonic fistula 2 (0.8)
 Diverticulitis with abscess 1 (0.4)

Table 2.

Characteristics of patients according to type of stoma approach

Characteristic Trephine colostomy (n = 161) Open colostomy (n = 82) Laparoscopic colostomy (n = 20) P-value
Sex 0.873
 Male 82 (50.9) 40 (48.8) 11 (45.0)
 Female 79 (49.1) 42 (51.2) 9 (55.0)
Age (yr) 59.9 ± 1.0 60.6 ± 1.4 57.8 ± 3.8 0.53
BMI (kg/m2) 21.5 ± 0.3 21.1 ± 0.4 24.1 ± 1.8 0.406
ASA PS classification 0.143
 I 10 (6.1) 4 (4.8) 2 (10.0)
 II 129 (79.1) 74 (88.0) 14 (70.0)
 III 22 (13.5) 4 (4.8) 4 (20.0)
Indication 0.017
 Fistulous 69 (42.9) 21 (25.6) 10 (50.0)
 Obstructive 92 (57.1) 61 (74.4) 10 (50.0)
Previous abdominal operation 106 (65.8) 56 (68.3) 4 (20.0) 0.001
Level of colostomy <0.001
 Transverse 151 (93.8) 69 (84.1) 6 (30.0)
 Sigmoid 10 (6.2) 13 (15.9) 14 (70.0)
Type of colostomy <0.001
 Loop 88 (54.7) 48 (58.5) 13 (65.0)
 End-loop 69 (42.9) 24 (29.3) 2 (10.0)
 End 4 (2.5) 10 (12.2) 5 (25.0)

Values are presented as number (%) or mean ± standard deviation.

BMI, body mass index; ASA PS, American Society of Anesthesiologists physical status.

Table 3.

Operative and postoperative outcomes according to type of stoma approach

Variable Trephine colostomy (n = 161) Open colostomy (n = 82) Laparoscopic colostomy (n = 20) P-value
Operation time (min) 46.0 ± 1.9 78.7 ± 3.9 63.5 ± 5.0 <0.001
Hospital stay (day) 11.4 ± 1.4 9.8 ± 0.8 8.9 ± 1.0 0.474
Time to flatus (day) 1.8 ± 0.1 2.1 ± 0.1 2.2 ± 0.3 0.025
Complication 0.828
 Prolapse 4 (2.5) 1 (1.2) 0 (0)
 Retraction 2 (1.2) 0 (0) 0 (0)
 Kinking 1 (0.6) 0 (0) 0 (0)
Conversion
 Open 7 (4.3) - 1 (5)
 Laparoscopic - - -

Values are presented as mean ± standard deviation or number (%).

Table 4.

Differences in colostomy formation according to history of previous re ctal surgery

Variable Previous rectal surgery
P-value
No (n = 176) Yes (n = 87)
Indication <0.001
 Fistulous 50 (28.4) 50 (57.5)
 Obstructive 126 (71.6) 37 (42.5)
Level of colostomy <0.001
 Transverse 140 (79.5) 86 (98.9)
 Sigmoid 36 (13.7) 1 (1.1)
Type of stoma <0.001
 Loop 117 (66.5) 32 (36.8)
 End-loop 49 (27.8) 46 (52.9)
 End 10 (5.7) 9 (10.3)
Type of approach 0.021
 Trephine 104 (59.1) 57 (65.5)
 Open 53 (30.1) 29 (33.3)
 Laparoscopic 19 (10.8) 1 (1.1)
Conversion 0.461
 Trephine→open 4 (2.3) 4 (4.6)
 Trephine→laparoscpy 1 (0.4) 0 (0)

Values are presented as number (%).