{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,7]],"date-time":"2026-07-07T23:22:40Z","timestamp":1783466560454,"version":"3.55.0"},"reference-count":18,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2026,5,13]],"date-time":"2026-05-13T00:00:00Z","timestamp":1778630400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2026,7,8]],"date-time":"2026-07-08T00:00:00Z","timestamp":1783468800000},"content-version":"vor","delay-in-days":56,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Tech Coloproctol"],"published-print":{"date-parts":[[2026,12]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Sinus laser-assisted closure (SiLaC) is gaining popularity as a minimally invasive surgical technique to treat chronic sacrococcygeal pilonidal sinus disease (SPSD). However, long-term outcomes on this technique are rarely reported in the literature. This multicenter study aimed to report the mid-term outcome of a cohort of patients who underwent SiLaC treatment for primary or recurrent SPSD.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Patients with primary or recurrent SPSD were included in this retrospective cohort study. Data were collected from medical records, and a validated questionnaire was distributed to all patients at follow-up to assess symptoms, quality of life, and the need for additional surgery.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>A total of 231 patients were included, with a median follow-up of 33\u00a0months (IQR 20\u201344): 128 patients underwent SiLaC for primary SPSD and 103 for recurrent SPSD. Additional interventions were required in 35 patients with primary SPSD (27.3%) and in 30 patients with recurrent SPSD (29.1%). Repeat SiLaC alone, i.e. no other surgical treatment than repeat SiLaC, was performed in 25 patients (19.6%) in the primary group and 22 patients (21.4%) in the recurrent group. Treatment failure, defined as persistent symptoms and\/or the need for surgery other than SiLaC, occurred in 23 patients (18.0%) in the primary group and in 21 patients (20.4%) in the recurrent group. However, SPSD-related symptoms were low at follow-up, and quality of life measured by the SF-36 was reported to be even higher than in the general USA population, both in the primary and recurrent group.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>SiLaC for primary and recurrent SPSD appeared to be a safe procedure with excellent symptom control and quality of life, with only 7.8% of patients in both groups requiring other surgical treatment than SiLaC.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1007\/s10151-025-03280-7","type":"journal-article","created":{"date-parts":[[2026,5,13]],"date-time":"2026-05-13T08:34:26Z","timestamp":1778661266000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Sinus laser-assisted closure (SiLaC) in pilonidal sinus disease: a multicenter cohort study"],"prefix":"10.1007","volume":"30","author":[{"given":"J.","family":"de Kort","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"L. 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