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A Randomized Controlled Trial to Assess the Impact of Proper Insulin Injection Technique Training on Glycemic Control.

ABSTRACT: INTRODUCTION:Improper injection technique can negatively affect glycemic control and treatment tolerability. We assessed the impact of structured insulin injection training on glycemic control. METHODS:We compared changes in glycated hemoglobin (A1C) and fasting plasma glucose following structured insulin injection training in a 6-month pilot study in patients with type 1 or 2 diabetes. Patients were recruited from mobile clinics in Moscow, Russia, and randomized into three groups. Groups 1 and 2 received structured injection training, and group 3 did not. Group 1 received 4-mm needles sufficient for each injection; groups 2 and 3 provided their own needle supply. Changes in insulin total daily dose (TDD), injection technique, needle reuse, and lipohypertrophy (LH) were assessed. RESULTS:Of 120 patients enrolled, 116 were included in all analyses (group 1, n = 43; group 2, n = 35; group 3, n = 38). At 6 months, mean [95% CI] reductions in A1C were significant in groups 1 and 2 (- 1.00% [10.9 mmol/mol (- 1.3 to - 0.6)] and - 1.00% [10.9 mmol/mol (- 1.4 to - 0.7)], respectively; P < 0.001 for both), but not in group 3 (- 0.02% [0.2 mmol/mol (- 1.2 to 1.6)]). Increases in insulin TDD, however, were similar and significant across groups (approximately 6 IU; P < 0.05). Injection technique improved, and needle reuse and LH declined in groups 1 and 2, but not in group 3. CONCLUSIONS:Little is known about the glycemic impact of insulin injection training. We found that structured training and the use of short pen needles can improve injection technique, leading to significant A1C reductions and decreased rates of LH.

SUBMITTER: Misnikova IV

PROVIDER: S-EPMC5688981 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:IntroductionPatients with type 2 diabetes (T2D) receiving premixed insulin often fail to achieve optimal glycemic control. The insulin injection technique (IT) itself may be one of the factors affecting glycemic variability (GV). The aim of this study was to assess the relationship between GV and IT in patients with T2D using premixed insulin.MethodsThis was a single center, cross-sectional, and self-controlled trial. Patients with T2D using premixed insulin were enrolled as inpatients. The 4-day study consisted of a 2-day patient insulin injection period (days 0 and 1) and a 2-day specialist nurse insulin injection period (days 2 and 3). Patient insulin IT were assessed on day 1 by two independent nurses using a skill-related scale consisting of 15 items, with a maximum score for each item of 2 and a total optimum score of 30. All patients underwent 96-h continuous glucose monitoring (CGM) during the 4-day study, and CGM data collected on days 1 and 3 were recorded and analyzed. The primary outcome was the relationship between the insulin IT score and the 24-h mean amplitude glycemic excursion (MAGE) during the patient injection period.ResultsA total of 52 inpatients with T2D who used premixed insulin were recruited and completed the study. The mean total insulin IT score of these patients was considerably lower than the optimum score (17.0 ± 4.4 vs. 30). Our CGM data showed that the MAGE was significantly higher during the patient injection period than during the nurse injection period (P < 0.05). Multiple linear stepwise regression analysis showed that the patient IT score was negatively correlated to the MAGE (P < 0.05). The patient IT score was also negatively correlated to glycated hemoglobin (HbA1c; P < 0.05).ConclusionsA poorer insulin IT may negatively affect GV and HbA1c control in patients with T2D using premixed insulin. Our data indicate that the insulin IT is important for short- and long-term glycemic control.Clinical trial registrationClinicalTrials.gov identification number: NCT03513055.

Project description:IntroductionThe aim of this randomized controlled trial was to assess the impact of providing intensive injection technique (IT) education to patients routinely injecting insulin into sites of lipohypertrophy (LH).MethodsBetween November 2016 and May 2018, insulin-injecting patients with LH treated at Tianjin Metabolism Hospital (a public tertiary medical institution), Tianjin, China, were included in a 6-month prospective randomized controlled trial and randomized into either the intervention (the IT-education group) or the control (control group) arm. The control and IT-education groups were seen by different groups of trained nurses on different clinic days. IT education emphasized moving injections to normal tissue sites, within-and between-site injection rotation, an initial reduction of insulin total daily dose (TDD), and stopping needle reuse. Needles were provided to the IT group, while controls acquired needles in their usual way. Differences in changes in glycated hemoglobin (HbA1c) and insulin TDD were the primary and main secondary endpoints, respectively.ResultsThe control (n = 104) and IT-education (N = 106) groups had similar demographic parameters (97% with type 2 diabetes) and baseline IT behavior. HbA1c reduction was similar in the IT-education and control group in the intention-to-treat (ITT) analysis (6-month between-group difference 0.16% [1.7 mmol/mol], 95% confidence interval [CI] - 0.11, 0.43 [- 1.2, 4.7]; p = 0.239) but was significant by the per-protocol (PP) analysis (difference 0.31% [3.4 mmol/mol], 95% CI 0.02, 0.60 [0.2, 6.6]; p = 0.038). Changes in TDD insulin in the IT-education group were approximately - 7 and - 8 IU by the ITT and PP analyses, respectively, versus - 1 IU (nonsignificant) in the controls (both between-group differences p ≤ 0.05). Despite the study design, IT education "contamination" (unplanned adoption of IT-intervention behaviors) was documented in 63 control patients. By post hoc analyses, HbA1c in "contaminated" controls decreased by 0.70% (7.7 mmol/mol) vs. 0.20% (2.2 mmol/mol) in "non-contaminated' patients (p = 0.019) at 6 months.ConclusionsProper IT, including learning to not inject into sites of LH, proper within- and between site rotation, needle reuse reduction, and the use of 4-mm, 32-G needles in Chinese patients injecting into sites of LH enables a safe reduction of TDD insulin while maintaining overall glycemic control.Trial registrationTrial registration: ChiCTR-IOR-16009270 in the Chinese Clinical Trials Registry.

Project description:To date, insulin therapy remains the cornerstone of diabetes management; but the art of injecting insulin is still poorly understood in many health facilities. To address this gap, the Forum for Injection Technique and Therapy Expert Recommendations (FITTER) published recommendations on injection technique after a workshop held in Rome, Italy in 2015. These recommendations are generally applicable to the majority of patients on insulin therapy, athough they do not explore alternative details that may be suitable for low- and middle-income countries. The East Africa Diabetes Study Group sought to address this gap, and furthermore to seek consensus on some of the contextual issues pertaining to insulin therapy within the East African region, specifically focusing on scarcity of resources and its adverse effect on the quality of care. A meeting of health care professionals, experts in diabetes management and patients using insulin, was convened in Kigali, Rwanda on 11 March 2018, and the following recommendations were made: (1) insulin should be transported safely, without undue shaking and exposure to high (> 32 °C) temperature environments. (2) Insulin should not be transported below 0 °C. (3) If insulin is to be stored at home for over 2 months, it should be stored at the recommended temperature of 2-8 °C. (4) Appropriate instructions should be given to patients while dispensing insulin. (5) Insulin in use should be kept at room temperature and should never be kept immersed under water. Immersing insulin under water after the vial has been pierced carries a high risk of contamination, leading to loss of potency and likelihood of causing injection abscesses. (6) The shortest available needles (4 mm for pen and 6 mm for insulin syringe) should be preferred for all patients. (7) In routine care, intramuscular injections should be avoided, especially with long-acting insulins, as it may result in severe hypoglycaemia. (8) The practice of slanting the needle excessively should be avoided as it results in sub-epidermal injection of insulin which leads to poor absorption and may cause "tattooing" of the skin and scarring. (9) In patients presenting in a wasted state, with "paper-like skin", injections should, if possible, be initiated with pen injection devices, so as to utilise the 4-mm needle without lifting a skin fold (pinching the skin); otherwise lifting of a skin fold is required, if longer needles are utilised. (10) Reuse of needles and syringes is not recommended. However, as the reuse of syringes and needles is practiced for various reasons, and by many patients, individuals should not be given alarming messages; and usage should be limited to discarding when injections become more painful; but at any rate not to exceed reusing a needle more than 5 times.

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A Randomized Controlled Trial to Assess the Impact of Proper Insulin Injection Technique Training on Glycemic Control.

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