Improvements in Diabetic Neuropathy and Nephropathy After Bariatric Surgery: a Prospective Cohort Study

Purpose There are limited data on the impact of bariatric surgery on microvascular complications of type 2 diabetes (T2D), particularly diabetic neuropathy. We assessed microvascular complications (especially neuropathy) in obese patients with T2D before and 12 months after bariatric surgery. Materi...

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Veröffentlicht in:Obesity surgery 2021-02, Vol.31 (2), p.554-563
Hauptverfasser: Adam, Safwaan, Azmi, Shazli, Ho, Jan H., Liu, Yifen, Ferdousi, Maryam, Siahmansur, Tarza, Kalteniece, Alise, Marshall, Andrew, Dhage, Shaishav S., Iqbal, Zohaib, D’Souza, Yvonne, Natha, Salim, Kalra, Philip A., Donn, Rachelle, Ammori, Basil J., Syed, Akheel A., Durrington, Paul N., Malik, Rayaz A., Soran, Handrean
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container_end_page 563
container_issue 2
container_start_page 554
container_title Obesity surgery
container_volume 31
creator Adam, Safwaan
Azmi, Shazli
Ho, Jan H.
Liu, Yifen
Ferdousi, Maryam
Siahmansur, Tarza
Kalteniece, Alise
Marshall, Andrew
Dhage, Shaishav S.
Iqbal, Zohaib
D’Souza, Yvonne
Natha, Salim
Kalra, Philip A.
Donn, Rachelle
Ammori, Basil J.
Syed, Akheel A.
Durrington, Paul N.
Malik, Rayaz A.
Soran, Handrean
description Purpose There are limited data on the impact of bariatric surgery on microvascular complications of type 2 diabetes (T2D), particularly diabetic neuropathy. We assessed microvascular complications (especially neuropathy) in obese patients with T2D before and 12 months after bariatric surgery. Materials and Methods This was a prospective observational cohort study. Measurements of neuropathy symptom profile (NSP), neuropathy disability score (NDS), vibration (VPT), cold (CPT) and warm (WPT) perception thresholds, nerve conduction studies (NCS) and corneal confocal microscopy (CCM) to quantify corneal nerve fibre density (CNFD), branch density (CNBD) and fibre length (CNFL); urinary albumin/creatinine ratio (uACR), estimated glomerular filtration rate (eGFRcyst-creat) and retinal grading were taken. Results Twenty-six (62% female; median age 52 years) obese patients with T2D were recruited. Body mass index (BMI) (47.2 to 34.5 kg/m 2 ; p  
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We assessed microvascular complications (especially neuropathy) in obese patients with T2D before and 12 months after bariatric surgery. Materials and Methods This was a prospective observational cohort study. Measurements of neuropathy symptom profile (NSP), neuropathy disability score (NDS), vibration (VPT), cold (CPT) and warm (WPT) perception thresholds, nerve conduction studies (NCS) and corneal confocal microscopy (CCM) to quantify corneal nerve fibre density (CNFD), branch density (CNBD) and fibre length (CNFL); urinary albumin/creatinine ratio (uACR), estimated glomerular filtration rate (eGFRcyst-creat) and retinal grading were taken. Results Twenty-six (62% female; median age 52 years) obese patients with T2D were recruited. Body mass index (BMI) (47.2 to 34.5 kg/m 2 ; p  &lt; 0.001) decreased post-operatively. There were improvements in CNFD (27.1 to 29.2/mm 2 ; p  = 0.005), CNBD (63.4 to 77.8/mm 2 ; p  = 0.008), CNFL (20.0 to 20.2/mm 2 ; p  = 0.001), NSP (3 to 0/38; p  &lt; 0.001) and eGFRcyst-creat (128 to 120 ml/min; p  = 0.015) post-bariatric surgery. Changes in (Δ) triglycerides were independently associated with ΔCNFL ( β  = − 0.53; p  = 0.024) and Δsystolic blood pressure (β = 0.62; p  = 0.017), and %excess BMI loss ( β  = − 0.004; p  = 0.018) were associated with ΔeGFRcyst-creat. There was no significant change in NDS, VPT, CPT, WPT, NCS, uACR or retinopathy status. Glomerular hyperfiltration resolved in 42% of the 12 patients with this condition pre-operatively. Conclusion Bariatric surgery results in improvements in small nerve fibres and glomerular hyperfiltration in obese people with T2D, which were associated with weight loss, triglycerides and systolic blood pressure, but with no change in retinopathy or uACR at 12 months.</description><identifier>ISSN: 0960-8923</identifier><identifier>EISSN: 1708-0428</identifier><identifier>DOI: 10.1007/s11695-020-05052-8</identifier><identifier>PMID: 33104989</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Bariatric Surgery ; Blood pressure ; Cohort analysis ; Diabetes ; Diabetes Mellitus, Type 2 - complications ; Diabetes Mellitus, Type 2 - surgery ; Diabetic Neuropathies - etiology ; Diabetic neuropathy ; Female ; Gastrointestinal surgery ; Humans ; Male ; Medicine ; Medicine &amp; Public Health ; Middle Aged ; Obesity, Morbid - surgery ; Original Contributions ; Prospective Studies ; Surgery ; Triglycerides</subject><ispartof>Obesity surgery, 2021-02, Vol.31 (2), p.554-563</ispartof><rights>The Author(s) 2020</rights><rights>The Author(s) 2020. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c474t-448b5c7d5a2908ccbb1ae8f97096d7625410423dcc1ec3035f9029b2c3c035373</citedby><cites>FETCH-LOGICAL-c474t-448b5c7d5a2908ccbb1ae8f97096d7625410423dcc1ec3035f9029b2c3c035373</cites><orcidid>0000-0001-8004-1897</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11695-020-05052-8$$EPDF$$P50$$Gspringer$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11695-020-05052-8$$EHTML$$P50$$Gspringer$$Hfree_for_read</linktohtml><link.rule.ids>230,314,776,780,881,27901,27902,41464,42533,51294</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33104989$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Adam, Safwaan</creatorcontrib><creatorcontrib>Azmi, Shazli</creatorcontrib><creatorcontrib>Ho, Jan H.</creatorcontrib><creatorcontrib>Liu, Yifen</creatorcontrib><creatorcontrib>Ferdousi, Maryam</creatorcontrib><creatorcontrib>Siahmansur, Tarza</creatorcontrib><creatorcontrib>Kalteniece, Alise</creatorcontrib><creatorcontrib>Marshall, Andrew</creatorcontrib><creatorcontrib>Dhage, Shaishav S.</creatorcontrib><creatorcontrib>Iqbal, Zohaib</creatorcontrib><creatorcontrib>D’Souza, Yvonne</creatorcontrib><creatorcontrib>Natha, Salim</creatorcontrib><creatorcontrib>Kalra, Philip A.</creatorcontrib><creatorcontrib>Donn, Rachelle</creatorcontrib><creatorcontrib>Ammori, Basil J.</creatorcontrib><creatorcontrib>Syed, Akheel A.</creatorcontrib><creatorcontrib>Durrington, Paul N.</creatorcontrib><creatorcontrib>Malik, Rayaz A.</creatorcontrib><creatorcontrib>Soran, Handrean</creatorcontrib><title>Improvements in Diabetic Neuropathy and Nephropathy After Bariatric Surgery: a Prospective Cohort Study</title><title>Obesity surgery</title><addtitle>OBES SURG</addtitle><addtitle>Obes Surg</addtitle><description>Purpose There are limited data on the impact of bariatric surgery on microvascular complications of type 2 diabetes (T2D), particularly diabetic neuropathy. We assessed microvascular complications (especially neuropathy) in obese patients with T2D before and 12 months after bariatric surgery. Materials and Methods This was a prospective observational cohort study. Measurements of neuropathy symptom profile (NSP), neuropathy disability score (NDS), vibration (VPT), cold (CPT) and warm (WPT) perception thresholds, nerve conduction studies (NCS) and corneal confocal microscopy (CCM) to quantify corneal nerve fibre density (CNFD), branch density (CNBD) and fibre length (CNFL); urinary albumin/creatinine ratio (uACR), estimated glomerular filtration rate (eGFRcyst-creat) and retinal grading were taken. Results Twenty-six (62% female; median age 52 years) obese patients with T2D were recruited. Body mass index (BMI) (47.2 to 34.5 kg/m 2 ; p  &lt; 0.001) decreased post-operatively. There were improvements in CNFD (27.1 to 29.2/mm 2 ; p  = 0.005), CNBD (63.4 to 77.8/mm 2 ; p  = 0.008), CNFL (20.0 to 20.2/mm 2 ; p  = 0.001), NSP (3 to 0/38; p  &lt; 0.001) and eGFRcyst-creat (128 to 120 ml/min; p  = 0.015) post-bariatric surgery. Changes in (Δ) triglycerides were independently associated with ΔCNFL ( β  = − 0.53; p  = 0.024) and Δsystolic blood pressure (β = 0.62; p  = 0.017), and %excess BMI loss ( β  = − 0.004; p  = 0.018) were associated with ΔeGFRcyst-creat. There was no significant change in NDS, VPT, CPT, WPT, NCS, uACR or retinopathy status. Glomerular hyperfiltration resolved in 42% of the 12 patients with this condition pre-operatively. Conclusion Bariatric surgery results in improvements in small nerve fibres and glomerular hyperfiltration in obese people with T2D, which were associated with weight loss, triglycerides and systolic blood pressure, but with no change in retinopathy or uACR at 12 months.</description><subject>Bariatric Surgery</subject><subject>Blood pressure</subject><subject>Cohort analysis</subject><subject>Diabetes</subject><subject>Diabetes Mellitus, Type 2 - complications</subject><subject>Diabetes Mellitus, Type 2 - surgery</subject><subject>Diabetic Neuropathies - etiology</subject><subject>Diabetic neuropathy</subject><subject>Female</subject><subject>Gastrointestinal surgery</subject><subject>Humans</subject><subject>Male</subject><subject>Medicine</subject><subject>Medicine &amp; Public Health</subject><subject>Middle Aged</subject><subject>Obesity, Morbid - surgery</subject><subject>Original Contributions</subject><subject>Prospective Studies</subject><subject>Surgery</subject><subject>Triglycerides</subject><issn>0960-8923</issn><issn>1708-0428</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><sourceid>EIF</sourceid><sourceid>BENPR</sourceid><recordid>eNp9kctuFDEQRS0EIkPgB1ggS2zYNJRfbZsFUhhekSJACqwtt9s942i63bHdI83fY5gkPBasrFKduq5bF6GnBF4SAPkqE9Jq0QCFBgQI2qh7aEUkqAY4VffRCnQLjdKUnaBHOV8BUNJS-hCdMEaAa6VXaHM-zinu_einknGY8LtgO1-Cw5_9kuJsy_aA7dTXct7e1mdD8Qm_tSnYkip6uaSNT4fX2OKvKebZuxL2Hq_jNqaCL8vSHx6jB4PdZf_k5j1F3z-8_7b-1Fx8-Xi-PrtoHJe8NJyrTjjZC0s1KOe6jlivBi2rlV62VPC6OGW9c8Q7BkwMGqjuqGOuFkyyU_TmqDsv3eh7V20luzNzCqNNBxNtMH93prA1m7g3UnGpWloFXtwIpHi9-FzMGLLzu52dfFyyoVzwVoi6SUWf_4NexSVN1V6lFCeCAheVokfK1dPk5Ie7ZQiYnzmaY46m5mh-5WhUHXr2p427kdvgKsCOQK6tqV7_99__kf0BSBeplg</recordid><startdate>20210201</startdate><enddate>20210201</enddate><creator>Adam, Safwaan</creator><creator>Azmi, Shazli</creator><creator>Ho, Jan H.</creator><creator>Liu, Yifen</creator><creator>Ferdousi, Maryam</creator><creator>Siahmansur, Tarza</creator><creator>Kalteniece, Alise</creator><creator>Marshall, Andrew</creator><creator>Dhage, Shaishav S.</creator><creator>Iqbal, Zohaib</creator><creator>D’Souza, Yvonne</creator><creator>Natha, Salim</creator><creator>Kalra, Philip A.</creator><creator>Donn, Rachelle</creator><creator>Ammori, Basil J.</creator><creator>Syed, Akheel A.</creator><creator>Durrington, Paul N.</creator><creator>Malik, Rayaz A.</creator><creator>Soran, Handrean</creator><general>Springer US</general><general>Springer Nature B.V</general><scope>C6C</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8AO</scope><scope>8C1</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>K9.</scope><scope>M0S</scope><scope>M1P</scope><scope>PHGZM</scope><scope>PHGZT</scope><scope>PJZUB</scope><scope>PKEHL</scope><scope>PPXIY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0001-8004-1897</orcidid></search><sort><creationdate>20210201</creationdate><title>Improvements in Diabetic Neuropathy and Nephropathy After Bariatric Surgery: a Prospective Cohort Study</title><author>Adam, Safwaan ; Azmi, Shazli ; Ho, Jan H. ; Liu, Yifen ; Ferdousi, Maryam ; Siahmansur, Tarza ; Kalteniece, Alise ; Marshall, Andrew ; Dhage, Shaishav S. ; Iqbal, Zohaib ; D’Souza, Yvonne ; Natha, Salim ; Kalra, Philip A. ; Donn, Rachelle ; Ammori, Basil J. ; Syed, Akheel A. ; Durrington, Paul N. ; Malik, Rayaz A. ; Soran, Handrean</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c474t-448b5c7d5a2908ccbb1ae8f97096d7625410423dcc1ec3035f9029b2c3c035373</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Bariatric Surgery</topic><topic>Blood pressure</topic><topic>Cohort analysis</topic><topic>Diabetes</topic><topic>Diabetes Mellitus, Type 2 - complications</topic><topic>Diabetes Mellitus, Type 2 - surgery</topic><topic>Diabetic Neuropathies - etiology</topic><topic>Diabetic neuropathy</topic><topic>Female</topic><topic>Gastrointestinal surgery</topic><topic>Humans</topic><topic>Male</topic><topic>Medicine</topic><topic>Medicine &amp; Public Health</topic><topic>Middle Aged</topic><topic>Obesity, Morbid - surgery</topic><topic>Original Contributions</topic><topic>Prospective Studies</topic><topic>Surgery</topic><topic>Triglycerides</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Adam, Safwaan</creatorcontrib><creatorcontrib>Azmi, Shazli</creatorcontrib><creatorcontrib>Ho, Jan H.</creatorcontrib><creatorcontrib>Liu, Yifen</creatorcontrib><creatorcontrib>Ferdousi, Maryam</creatorcontrib><creatorcontrib>Siahmansur, Tarza</creatorcontrib><creatorcontrib>Kalteniece, Alise</creatorcontrib><creatorcontrib>Marshall, Andrew</creatorcontrib><creatorcontrib>Dhage, Shaishav S.</creatorcontrib><creatorcontrib>Iqbal, Zohaib</creatorcontrib><creatorcontrib>D’Souza, Yvonne</creatorcontrib><creatorcontrib>Natha, Salim</creatorcontrib><creatorcontrib>Kalra, Philip A.</creatorcontrib><creatorcontrib>Donn, Rachelle</creatorcontrib><creatorcontrib>Ammori, Basil J.</creatorcontrib><creatorcontrib>Syed, Akheel A.</creatorcontrib><creatorcontrib>Durrington, Paul N.</creatorcontrib><creatorcontrib>Malik, Rayaz A.</creatorcontrib><creatorcontrib>Soran, Handrean</creatorcontrib><collection>Springer Nature OA Free Journals</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Health &amp; 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We assessed microvascular complications (especially neuropathy) in obese patients with T2D before and 12 months after bariatric surgery. Materials and Methods This was a prospective observational cohort study. Measurements of neuropathy symptom profile (NSP), neuropathy disability score (NDS), vibration (VPT), cold (CPT) and warm (WPT) perception thresholds, nerve conduction studies (NCS) and corneal confocal microscopy (CCM) to quantify corneal nerve fibre density (CNFD), branch density (CNBD) and fibre length (CNFL); urinary albumin/creatinine ratio (uACR), estimated glomerular filtration rate (eGFRcyst-creat) and retinal grading were taken. Results Twenty-six (62% female; median age 52 years) obese patients with T2D were recruited. Body mass index (BMI) (47.2 to 34.5 kg/m 2 ; p  &lt; 0.001) decreased post-operatively. There were improvements in CNFD (27.1 to 29.2/mm 2 ; p  = 0.005), CNBD (63.4 to 77.8/mm 2 ; p  = 0.008), CNFL (20.0 to 20.2/mm 2 ; p  = 0.001), NSP (3 to 0/38; p  &lt; 0.001) and eGFRcyst-creat (128 to 120 ml/min; p  = 0.015) post-bariatric surgery. Changes in (Δ) triglycerides were independently associated with ΔCNFL ( β  = − 0.53; p  = 0.024) and Δsystolic blood pressure (β = 0.62; p  = 0.017), and %excess BMI loss ( β  = − 0.004; p  = 0.018) were associated with ΔeGFRcyst-creat. There was no significant change in NDS, VPT, CPT, WPT, NCS, uACR or retinopathy status. Glomerular hyperfiltration resolved in 42% of the 12 patients with this condition pre-operatively. Conclusion Bariatric surgery results in improvements in small nerve fibres and glomerular hyperfiltration in obese people with T2D, which were associated with weight loss, triglycerides and systolic blood pressure, but with no change in retinopathy or uACR at 12 months.</abstract><cop>New York</cop><pub>Springer US</pub><pmid>33104989</pmid><doi>10.1007/s11695-020-05052-8</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0001-8004-1897</orcidid><oa>free_for_read</oa></addata></record>
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subjects Bariatric Surgery
Blood pressure
Cohort analysis
Diabetes
Diabetes Mellitus, Type 2 - complications
Diabetes Mellitus, Type 2 - surgery
Diabetic Neuropathies - etiology
Diabetic neuropathy
Female
Gastrointestinal surgery
Humans
Male
Medicine
Medicine & Public Health
Middle Aged
Obesity, Morbid - surgery
Original Contributions
Prospective Studies
Surgery
Triglycerides
title Improvements in Diabetic Neuropathy and Nephropathy After Bariatric Surgery: a Prospective Cohort Study
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