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Obstructive Sleep Apnea, Predictors and Bariatric Surgery

13 juli 2020 uppdaterad av: Geltrude Mingrone, Catholic University of the Sacred Heart

Effect of Bariatric Surgery on Obstructive Sleep Apnea and Predictors for the Severity of Obstructive Sleep Apnea

Obstructive sleep apnea is defined as a repetitive collapse of the pharynx during sleep (Malhotra, et al. 2012) which cases intermittent hypoxia. Snoring, witnessed apnea, fatigue and morning headache are symptoms of the disease which has severe health effect (Malhotra. et al. 2012) including increased mortality risk (Ensrud. et al. 2012) and effects on quality of life (Kuhn. et al. 2017).

Obesity, male sex and age are all risk factors for obstructive sleep apnea (Schwartz. et al. 2010, Edwards. et al. 2010) . Bariatric surgery is known to be a good treatment to achieve a sustained weight loss but the long term effects of bariatric treatment of obstructive sleep apnea is not well studied. The aim of this study is therefore to study the long effects of bariatric surgery as a treatment for obstructive sleep apnea and to find predictors that can be used to predict the severity of the disease.

Studieöversikt

Status

Avslutad

Intervention / Behandling

Detaljerad beskrivning

Obstructive sleep apnea is defined as a repetitive collapse of the pharynx during sleep (Malhotra, et al. 2012) which cases intermittent hypoxia. Snoring, witnessed apnea, fatigue and morning headache are symptoms of the disease which has severe health effect (Malhotra. et al. 2012) including increased mortality (Ensrud. et al. 2012) and effects on quality of life (Kuhn. et al. 2017). Hence, identifying and treat obstructive sleep apnea are important.

Obesity, male sex and age are all risk factors for obstructive sleep apnea (Schwartz et. al. 2010, Edwards. et. al. 2010) . Bariatric surgery is known to be a good treatment to achieve a sustained weight loss but the long term effects of bariatric treatment of obstructive sleep apnea is not well studied. The aim of this study is therefore to study the long effects of bariatric surgery as a treatment for obstructive sleep apnea and to find predictors that can be used to predict the severity of the disease.

Eighty-six patients with obesity have been recruited at the Catholic University hospital in Rome, Italy during 2012 when patients were enrolled during their evaluation for bariatric surgery. At baseline, the patient underwent fasting blood chemistry, anthropometric measurements and overnight polysomnography. The patients also underwent a 3 hour oral glucose tolerance test in order to determinate glucose tolerance (normal glucose tolerance, impaired glucose tolerance and type 2 diabetes mellitus). Patient then received treatment with bariatric surgery (gastric sleeve, biliopancreatic diversion or gastric bypass) during 2012-2013 or decided not to undergo bariatric surgery.

Patient will undergo follow-up during 2016-2017 where fasting blood chemistry, anthropometric measurements and overnight polysomnography will be assessed. The patient will also undergo a 3 hour oral glucose tolerance test.

The effects of bariatric surgery on obstructive sleep apnea will then be evaluated. Differences in the treatment effect between the different bariatric surgical procedures will be studied. Patients characteristics at baseline, such as weight, height, BMI and components of the metabolic syndrome and their association to the severity of obstructive sleep apnea will be studied in order to find predictors for the severity of the disease.

Studietyp

Interventionell

Inskrivning (Faktisk)

86

Fas

  • Inte tillämpbar

Deltagandekriterier

Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.

Urvalskriterier

Åldrar som är berättigade till studier

20 år till 70 år (Vuxen, Äldre vuxen)

Tar emot friska volontärer

Nej

Kön som är behöriga för studier

Allt

Beskrivning

Inclusion Criteria:

  • BMI above 30 kg/m2
  • Age between 20 and 70 years
  • Willingness to understand the protocol and willingness to participate in the study

Exclusion Criteria:

  • Exclusion criteria is severe co-morbidities that would prevent the patients to undergo bariatric surgery. Such as severe anemia, severe heart failure, active or previous malignancies the last 5 years. Myocardial infarction or unstable angina pectoris the last 6 months. Pregnancy. Suspected poor compliance. Drug or alcohol abuse. Major gastrointestinal disease.
  • Inability to undergo polysomnography.

Studieplan

Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.

Hur är studien utformad?

Designdetaljer

  • Primärt syfte: Behandling
  • Tilldelning: Icke-randomiserad
  • Interventionsmodell: Parallellt uppdrag
  • Maskning: Ingen (Open Label)

Vapen och interventioner

Deltagargrupp / Arm
Intervention / Behandling
Aktiv komparator: Biliopancreatic diversion
Study participants will undergo biliopancreatic diversion which is a type of bariatric surgery where a part of the stomach are removed and the remaining stomach is attached to a distal segment of the small intestine.
Bariatric surgery includes several different types of surgical procedures used to achieve weight loss.
Aktiv komparator: Gastric sleeve
Study participants will undergo sleeve gastrectomy which is a restrictive form av bariatric surgery where the size of the stomach is reduced.
Bariatric surgery includes several different types of surgical procedures used to achieve weight loss.
Aktiv komparator: Gastric bypass
Study participants will undergo gastric bypass which is a type of bariatric surgery where a small pouch of the stomach is created and attached to a segment of the small intestine.
Bariatric surgery includes several different types of surgical procedures used to achieve weight loss.
Inget ingripande: No intervention
Study participants that do not want to undergo surgical treatment.

Vad mäter studien?

Primära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Change in severity of obstructive sleep apnea measured by a overnight cardio-respiratory monitoring before and 5 years after bariatric surgery.
Tidsram: 5 years
The effect of bariatric surgery as a treatment of obstructive sleep apnea in patients with obesity will be evaluated as the change in obstructive sleep apnea severity. To address this aim a overnight cardio-respiratory monitoring with a Vital Night 8 device (Vital Aire, Milan, Italy) will be performed before and 5 years after bariatric surgery.
5 years

Samarbetspartners och utredare

Det är här du hittar personer och organisationer som är involverade i denna studie.

Utredare

  • Huvudutredare: Geltrude Mingrone, MD. PhD., The Catholic University of the Sacred Heart

Publikationer och användbara länkar

Den som ansvarar för att lägga in information om studien tillhandahåller frivilligt dessa publikationer. Dessa kan handla om allt som har med studien att göra.

Studieavstämningsdatum

Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.

Studera stora datum

Studiestart (Faktisk)

4 januari 2012

Primärt slutförande (Faktisk)

30 december 2017

Avslutad studie (Faktisk)

30 december 2017

Studieregistreringsdatum

Först inskickad

14 juli 2017

Först inskickad som uppfyllde QC-kriterierna

19 juli 2017

Första postat (Faktisk)

21 juli 2017

Uppdateringar av studier

Senaste uppdatering publicerad (Faktisk)

14 juli 2020

Senaste inskickade uppdateringen som uppfyllde QC-kriterierna

13 juli 2020

Senast verifierad

1 juli 2020

Mer information

Termer relaterade till denna studie

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