Chronic Pain After Groin Hernia Surgery in Women

Hernia, Femoral, Hernia, Inguinal

chronic pain

The goal of this study was to evaluate chronic pain and reoperation rates due to recurrence after groin hernia surgery in women compared to men and surgical method.

INTRODUCTION: Groin hernia surgery in women is much less common than in men, still women represent a large patient group since groin hernia surgery is one of the most common operations in general surgery. In Sweden, approximately 16 000 groin hernia surgeries are being performed annually, of these 8 % are performed in women. Management and method of repair in women is largely based on subgroup analyses and register studies, there is a lack of randomised controlled trials focusing on women. Previous studies have shown that femoral hernias are more common in women than in men, that women have a higher risk of emergency operation, and a higher incidence of reoperation which serves as a marker of recurrence. Chronic pain is common after herniorraphy and an important quality marker of the performed surgery. There are indications that women suffer of higher rates of both short term and chronic post-herniorraphy pain. The introduction of mesh techniques in groin hernia surgery has considerably decreased recurrence rates. To further improve outcome after groin hernia surgery in women there is a need for more evidence of the most appropriate surgical approach in terms of chronic pain.The goal of this study was to evaluate chronic pain and reoperation rates due to recurrence after groin hernia surgery in women compared to men. METHODS This study is based on a patient reported outcome measure (PROM) questionnaire, crosslinked to the Swedish Hernia Registry one year after primary surgery. What the investigators would like to call a Register-PROM-study. The Swedish Hernia Registry (SHR) SHR is a nationwide registry which covers more than 95% of all performed groin hernia repairs in Sweden. Patients are included upon surgery. Registered parameters include details about hernia anatomy, method of repair, American Society of Anesthesiologists (ASA) Physical Status and early complications (within 30 days), among others. Using the Swedish personal identity number, where each inhabitant has a unique number, it is possible to follow patients regardless of where the participants have their primary or recurrence operation. Questionnaire To measure the postoperative pain one year after primary operation a shortened version of the previously validated Inguinal Pain Questionnaire (IPQ) was used. Patients were asked to grade the worst pain the participants had felt in the operated groin during the last week. Scores were: 1. No pain. 2. Pain present, but easily ignored. 3. Pain present, cannot be ignored, but does not interfere with everyday activities. 4. Pain present, cannot be ignored, and interferes with concentration on everyday activities. 5. Pain present, interferes with most activities. 6. Pain present, necessitating bed rest. 7. Pain present, prompt medical advice sought. Scores of 1-3 were defined as no pain and scores of 4-7 as chronic pain. Data Collection The questionnaire is sent by regular mail to everyone included in the SHR one year after surgery. Answers are recorded in the SHR. The participants are able to answer the questionnaire by mail or a web based questionnaire. Postal addresses were obtained through the Swedish population register. If no response had been received within 1 month a reminder was sent. A previous study with a similar cohort has analyzed loss to follow up and reliability of the method.

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