Peri‐operative continuation of metformin does not improve glycaemic control in patients with type 2 diabetes: A randomized controlled trial

Historically, metformin was withheld before surgery for fear of metformin‐associated lactic acidosis. Currently, however, this risk is deemed to be low and guidelines have moved towards the continuation of metformin. We hypothesized that continuing metformin peri‐operatively would lower postoperativ...

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Veröffentlicht in:Diabetes, obesity & metabolism obesity & metabolism, 2018-03, Vol.20 (3), p.749-752
Hauptverfasser: Hulst, A. H., Polderman, J. A. W., Ouweneel, E., Pijl, A. J., Hollmann, M. W., DeVries, J. H., Preckel, B., Hermanides, J.
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container_title Diabetes, obesity & metabolism
container_volume 20
creator Hulst, A. H.
Polderman, J. A. W.
Ouweneel, E.
Pijl, A. J.
Hollmann, M. W.
DeVries, J. H.
Preckel, B.
Hermanides, J.
description Historically, metformin was withheld before surgery for fear of metformin‐associated lactic acidosis. Currently, however, this risk is deemed to be low and guidelines have moved towards the continuation of metformin. We hypothesized that continuing metformin peri‐operatively would lower postoperative serum glucose level without an effect on plasma lactate levels. We performed a single‐blind multicentre randomized controlled trial in people with type 2 diabetes mellitus scheduled for non‐cardiac surgery and continued (MF+ group) or withheld (MF‐ group) metformin before surgery. The main outcome measures were the differences in peri‐operative plasma glucose and lactate levels. We randomized 70 patients (37 MF+ group and 33 MF‐ group) with type 2 diabetes mellitus. Postoperative glucose levels were similar in the MF+ and the MF‐ groups (8.2 ± 1.8 vs 8.3 ± 2.3 mmol/L P = .95) Although preoperative lactate levels were slightly higher in the MF+ group compared with the MF‐ group (1.5 vs 1.2 mmol/L; P = .02), the postoperative lactate levels were not significantly different (1.2 vs 1.0 mmol/L; P = .18). In conclusion, continuation of metformin during elective non‐cardiac surgery does not improve glucose control or raise lactate levels to a clinically relevant degree.
doi_str_mv 10.1111/dom.13118
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H.</au><au>Preckel, B.</au><au>Hermanides, J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Peri‐operative continuation of metformin does not improve glycaemic control in patients with type 2 diabetes: A randomized controlled trial</atitle><jtitle>Diabetes, obesity &amp; metabolism</jtitle><addtitle>Diabetes Obes Metab</addtitle><date>2018-03</date><risdate>2018</risdate><volume>20</volume><issue>3</issue><spage>749</spage><epage>752</epage><pages>749-752</pages><issn>1462-8902</issn><eissn>1463-1326</eissn><abstract>Historically, metformin was withheld before surgery for fear of metformin‐associated lactic acidosis. Currently, however, this risk is deemed to be low and guidelines have moved towards the continuation of metformin. We hypothesized that continuing metformin peri‐operatively would lower postoperative serum glucose level without an effect on plasma lactate levels. 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In conclusion, continuation of metformin during elective non‐cardiac surgery does not improve glucose control or raise lactate levels to a clinically relevant degree.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><pmid>28940961</pmid><doi>10.1111/dom.13118</doi><tpages>4</tpages><orcidid>https://orcid.org/0000-0001-9101-7649</orcidid></addata></record>
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source Wiley Online Library - AutoHoldings Journals; MEDLINE
subjects Acidosis
Adolescent
Adult
Aged
Aged, 80 and over
Antidiabetics
Blood Glucose - metabolism
Clinical trials
Diabetes
Diabetes mellitus
Diabetes mellitus (non-insulin dependent)
Diabetes Mellitus, Type 2 - blood
Diabetes Mellitus, Type 2 - drug therapy
Evidence-based medicine
Female
Glucose
Heart
Heart diseases
Heart surgery
Humans
Hypoglycemic Agents - therapeutic use
Intraoperative Care
Lactic acid
Lactic acidosis
Length of Stay - statistics & numerical data
Male
Medication Adherence
Metformin
Metformin - therapeutic use
Middle Aged
peri‐operative period
Postoperative Complications - etiology
Single-Blind Method
Treatment Outcome
type 2
Young Adult
title Peri‐operative continuation of metformin does not improve glycaemic control in patients with type 2 diabetes: A randomized controlled trial
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