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Safety and Effectiveness of Circumcision Stapler in Treating Children with Phimosis and Redundant Prepuce

Abstract

Objective:

To observe the clinical effect and safety of circumcision stapler in children with phimosis and redundant prepuce.

Methods: From July 2013 to July 2017, 40 children were prospectively randomized and assigned to experiment group (circumcision stapler n = 20) or control group (conventional circumcision, n = 20).

Outcomes were operation time, intraoperative blood loss and postoperative complications. Results: There was significant difference between the two groups for operation time (5.35 min vs 30.30 min, P < 0.05) and intraoperative blood loss (2.56 ml vs 10.40 ml, P < 0.05) respectively.

Conclusion: Circumcision staplers are superior to conventional circumcision for the advantages of shorter operation time and fewer blood losses.

1. Introduction:

Phimosis and redundant prepuce are common conditions with an incidence of 8% in boys aged 4 – 7 years.

The benefits of circumcision were highlighted, including a reduced risk of penile cancer and a decreased risk of human immunodeficiency virus infection.

The traditional circumcision as a golden standard surgery is widely performed. Unfortunately, it still has such disadvantages including adverse complications, inevitably suturing the incision, and cumbersome surgical procedure.

Clinically, the circumcision stapler is widely used across the globe for circumcision in adults and is associated with the advantages of a short operating time, an obvious effect and few complications.

Therefore, this trial was to assess the clinical effect and safety of circumcision stapler in children with phimosis and redundant prepuce.

2. Materials and Methods

From July 2013 to July 2017, children with phimosis and redundant prepuces were recruited and assigned to the experimental group (circumcision stapler) or control group (traditional circumcision) in the department of surgery, the second people’s hospital of Baiyun district.

All patients’ guardians agreed to the treatment and signed informed consent before injection. The local ethics committees approved the study.

A single well-trained and experienced urologist performed all procedures in the operating room. Participants were cleansed with povidone iodine solution and draped in a sterile manner.

Local anesthesia was administered to the dorsal penile nerve and penile ring blocks using 3 mg/kg of 1% lidocaine. The traditional circumcision procedure was standardized according to the standard procedure.

Circumcision stapler (Wuhu SNNDA Medical Treatment Appliance Technology Co., LTD., Wuhu City, China) was performed as previously described.

Circumcision stapler consists of an inner and an outer ring, a silicone rubber gasket, and a fastener.

Penile diameter is first measured to determine the appropriate ring size. After anesthetic administration, the inner ring is placed around the penis to the level of the coronal sulcus. The foreskin is carefully everted over the inner ring.

The outer ring is placed over the inner ring to sandwich the foreskin. The outer ring is tightened over the inner ring, and the excess foreskin is excised using suture scissors.

Three to 5 slits are then made in the foreskin on the underside of the ring using a scalpel blade. These slits are needed to enable the skin to spread as healing occurs and allows cab expansion.

The ring is left in place for 1 to 2 weeks and removed at a follow-up visit. The outcome included operative time and intraoperative blood loss. Operative time was measured from when the effects of the local anesthesia took effect until the end of surgery.

Intraoperative blood loss was estimated as follows: soaked 4 cm × 4 cm gauze had an average carrying capacity of 2.85 ml blood.

The t-test was used to compare operative duration and blood loss volume between the experimental group and control group.

A P value of 0.05 was considered statistically significant. Statistical analyses were performed with SPSS 13.0 software (SPSS, Inc., Chicago, IL).

3.  Result

Forty children completed the trial for final analysis. Twenty cases were in the experimental group with a mean age of 6.8 (5 – 11) years, mean weight 24.05 (22 – 41) kg; twenty cases were in the control group with a mean age of 6.6 (5 – 10) years, mean weight 23.68 (20 – 39) kg. There was no significant difference in baseline data. Table 1 showed a significant difference in operative time (5.35 min vs 30.30 min, P < 0.05) and intraoperative blood loss (2.56 ml vs 10.40 ml, P < 0.05) between the

Outcome Experiment group (n = 20) Control group (n = 20) P value
Operative time (min) 5.35 ± 1.38 30.30 ± 5.32 <0.05
blood loss (ml) 2.56 ± 0.38 10.40 ± 1.35 <0.05

Table 1. Operative time and blood loss between the two groups.

two groups. No children in either group experienced a major complication, such as repeat operative procedure, infection, or bleeding requiring admission.

4. Discussion

To treat excessive foreskin and phimosis with circumcision has been widely adopted and utilized by urologists worldwide. Numerous studies have indicated that male circumcision offers potential health benefits for both men and their female partners.

While traditional circumcision is the simplest surgery in urology and can be performed by interns under supervision, it also has limitations. It is time-consuming and may result in some bleeding.

Our current trial also demonstrated that circumcision staplers represent the most advanced surgical technique currently available for treating excessive foreskin and phimosis in children .

The reasons we analyzed were: 1) compared to the traditional procedure, the operative time is significantly shorter in the experimental group (5.35 min vs 30.30 min, P < 0.05); 2) bleeding is minimal in the experimental group (2.56 ml vs 10.40 ml, P < 0.05).

In our experience, the learning curve for circumcision staplers was brief. However, several practical points should be noted. Firstly, thorough preoperative evaluation is crucial.

Conditions like concealed penis, webbed penis, and hypospadias need to be ruled out. Secondly, the appropriate model size should be selected. Improper sizing can lead to pain, significant swelling, or challenging post-operative healing. Thirdly, proper preservation of the inner layer of the foreskin is essential.

Excess inner layer can cause penile swelling, while inadequate preservation may result in excessively short foreskin and discomfort during erection. Finally, the timing of ring removal is critical.

According to the literature, rings are typically removed 1 – 2 weeks post-operation. In our study, optimal results were achieved with removal more than 2 weeks post-operation, as delayed removal led to more complete healing and reduced swelling

Conclusion

To sum up, circumcision staplers are superior to conventional circumcision for the advantages of shorter operation time and fewer blood losses.

Preoperative evaluation, appropriate model size, appropriate inner layer of the foreskin and appropriate ring removal time were very important for children preformed circumcision staplers.

Conflicts of Interest

The authors declare no conflicts of interest.

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