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Parastomal hernia repair with intraperitoneal mesh
Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Surgery. Department of Surgery, Sunderby Hospital, Luleå, Sweden.
Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Surgery.
Department of Surgery, Sunderby Hospital, Luleå, Sweden.
Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Surgery.
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2017 (English)In: Surgery Research and Practice, ISSN 2356-7759, Vol. 2017, p. 51+4article id 8597463Article in journal (Refereed) Published
Abstract [en]

Purpose. Parastomal hernia is a common complication following a stoma and may cause leakage or incarceration. No optimal treatment has been established, and existing methods using mesh repair are associated with high recurrence rates and a considerable risk for short- and long-term complications including death. A double-layer intraperitoneal on-lay mesh (IPOM), the Parastomal Hernia Patch (BARD™), consisting of ePTFE and polypropylene, has been developed and tailored to avoid recurrence. To evaluate the safety of and recurrence rate using this mesh, a nonrandomised prospective multicentre study was performed. Method. Fifty patients requiring surgery for parastomal hernia were enrolled. Clinical examination and CT scan prior to surgery were performed. All patients were operated on using the Parastomal Hernia Patch (BARD). Postoperative follow-up at one month and one year was scheduled to detect complications and hernia recurrence. Results. The postoperative complication rate at one month was 15/50 (30%). The parastomal hernia recurrence rate at one year was 11/50 (22%). The reoperation rate at one month was 7/50 (14%), and further 5/50 (10%) patients were reoperated on during the following eleven months.

Place, publisher, year, edition, pages
Hindawi Publishing Corporation, 2017. Vol. 2017, p. 51+4article id 8597463
National Category
Surgery
Research subject
Surgery
Identifiers
URN: urn:nbn:se:umu:diva-103309DOI: 10.1155/2017/8597463PubMedID: 29204515ISBN: 978-91-7601-241-3 (print)OAI: oai:DiVA.org:umu-103309DiVA, id: diva2:812871
Note

Originally included in thesis in manuscript form.

Available from: 2015-05-20 Created: 2015-05-20 Last updated: 2018-06-07Bibliographically approved
In thesis
1. Parastomal hernia: investigation and treatment
Open this publication in new window or tab >>Parastomal hernia: investigation and treatment
2015 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Background

Parastomal hernia is a common stoma complication causing the patient considerable inconvenience. The patient becomes aware of a bulge around the stoma, but a bulge is not always a parastomal hernia and diagnostics must be performed to enable differential treatment. It is difficult to distinguish between a bulge and a hernia. Results based on clinical examination and computerised tomography (CT) in the supine position, have not been convincing. Three-dimensional intrastomal ultrasonography (3D US) is a novel technique shown to be promising in the assessment of stoma complaints. Two studies were performed to determine inter- and intra-observer reliability as well as the validity of 3D US as an alternative to CT when assessing stoma complaints.

There are numerous options for the treatment of parastomal hernia, but none has been shown superior. In the recent decades the use of mesh in the repair of incisional and inguinal hernia has become routine. New materials must be evaluated as there are potential morbidity and even mortality risks with mesh repair. As recurrence of a parastomal hernia is an even greater challenge, the method of choice should have a low risk for recurrence. A prospective multicenter study was performed to evaluate safety and recurrence rate when using Parastomal Hernia Patch BARDTM (PHP), a mesh specially designed for parastomal hernia repair.

A stoma has a profound impact on the patient´s daily life, both physical and psychological. A parastomal hernia with its associated risk for leakage and incarceration worsens the situation. Patient driven assessment of healthcare outcome is important if we are to improve medical care. A quality of life (QoL) survey was performed to assess the impact of parastomal bulging and hernia on the patient´s daily life.

Methods

Forty patients were investigated and the 3D US images were twice evaluated by two or three physicians to assess inter- and intra-observer reliability. Totally 20 patients with stoma complaints requiring surgery were examined with CT and 3D US prior to surgery. The findings were compared with the intraoperative findings – regarded as the true outcome.

Fifty patients with parastomal hernia requiring surgery were enrolled from three hospitals. Patients were followed up one month and one year after repair using PHP.

Patients still alive in 2008 who had been operated between1996 and 2004 for rectal cancer in Uppsala/Örebro-, Stockholm/Gotland-, and Northern Regions (986 patients) and registered in the Swedish Rectal Cancer Registry (SRCR) were invited to fill in four QoL questionnaires.

Results

Inter-observer agreement using 3D US reached 80% for the last 10 patients examined, with a kappa value of 0.70. Intra-observer agreement for two examiners was 80% and 95%. The learning curve levelled out at 30 patients. Both CT and 3D US showed high sensitivity and specificity when compared with intraoperative findings.

After surgery for parastomal hernia with a PHP, the complication rate at one month was 30% and recurrence rate at one year was 22%. Twelve patients were reoperated within one year.

In the QoL study, 31.5% of the patients with a stoma reported a bulging or a hernia. 11.7% had been operated for parastomal hernia. A hernia or a bulge gave rise to significantly more pain and impaired stoma function. Overall QoL was inferior in patients with a permanent stoma compared to a group without a stoma.

Place, publisher, year, edition, pages
Umeå: Umeå universitet, 2015. p. 38
Series
Umeå University medical dissertations, ISSN 0346-6612 ; 1707
Keywords
Parastomal, hernia, 3D US, ultrasonography, mesh, QoL, rectal cancer, stoma
National Category
Surgery
Research subject
Surgery
Identifiers
urn:nbn:se:umu:diva-103325 (URN)978-91-7601-241-3 (ISBN)
Public defence
2015-06-12, Aulan Konferenscentrum, Sunderby sjukhus, Luleå, 13:00 (Swedish)
Opponent
Supervisors
Available from: 2015-05-22 Created: 2015-05-20 Last updated: 2018-06-07Bibliographically approved

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