Page 22 - World Journal of Laparoscopic Surgery
P. 22

Salman Al-Sabah et al
          for the antrum and blue cartridges for the body and  5 years, with the best results found in those with duration
          fundus, aiming for a final gastric pouch size of 100 ml.  of T2DM of 1­3 years (Table 2).
          The calibrating bougie was then pulled proximally and     Preoperatively, 2 patients were managed by pure
          100 ml of methylene blue were injected through it to   diet control, 68 were taking OHA, 15 were on insulin
          assess for leak. No intrabdominal drains were placed.  therapy, and 13 with a combination of insulin + OHA. In
             Diabetes was defined in accordance with the Inter­  terms of treatment based outcomes, patients who were
          national Diabetes Federation as a fasting blood glucose  on diet control and OHA showed better remission of the
          (FBG) level of more than 7.0 mmol/l, and HBA1C more  disease than those on insulin and OHA + insulin (Table 3).
          than 6.5%. The primary outcome measures were T2DM  The difference between them however lacked statistical
          resolution, defined as FBG of less than 7 mmol/l and  significance.
          HBA1C less than 6.5% in the absence of any hypoglycemic      Median %EWL was 60% (10­239) and was found to be
          medications,  and  T2DM  improvement,  defined  as  a   72% at 1 year and 73% at 4 years (Graph 1). A significant
          reduction in the dosage of hypoglycemic medications.   association was found between the %EWL and complete
          The resolution and improvement of diabetes were also   remission compared to just improvement of T2DM (Graph 2).
          grouped and analyzed in terms of time since T2DM    The median postoperative BMI was 33 kg/m  (20­61).
                                                                                                     2
          onset and treatment type: diet, oral hypoglycemic agents
          (OHA), insulin, and insulin + OHA. Secondary outcomes  DiSCuSSion
          measures included change in FBG and HBA1C levels pre
          and postoperative, percent excess weight loss (%EWL),   The findings of this study clearly point to the fact that
          and change in BMI.                                  LSG can play a significant role in managing T2DM. The
             The study was approved by the Kuwait Institute for   fact that the vast majority (91.6%) of patients showed either
          Medical Specialization and Kuwait Ministry of Health   complete remission or improvement of the disease is in
          ethical committees. Statistical analysis of the data was   keeping with the emerging literature focusing on LSG as
          carried out using SPSS software. Statistical significance   a potential option for the management of diabetes. Most
          was calculated using Fisher’s exact test and was set at a   current studies comprise of a substantially small patient
          p­value less than 0.05.                             population but show significant improvement in blood
                                                              glucose levels, almost reaching near normal figures in
          RESuLTS                                             known T2DM.
                                                                 In a 2010 systemic review of 27 studies with 673 patients,
          The data from a total of 1,202 patients who underwent
          LSG at Al­Amiri Hospital was retrieved and analyzed.   LSG was shown to resolve diabetes in 66.2% of the
          A total of 185 (15.4%) patients were found to be diabetic,   subjects, with 97.1% experiencing resolution or improve­
                                                                   6
          107 of whom had the required laboratory investigations   ment.  The drop in baseline FBG (11 mmol/l to 6 mmol/l)
          and anthropomorphic data available and were used for   Table 1: Diabetes status and percentage excess weight loss
          this study. The mean age of the diabetic patients was           during interval follow-up periods
          42 ± 10.4 years and 127 patients (68.8%) were females.    Post-op        Type 2 diabetes status
                                          2
          Median preoperative BMI was 46 kg/m  (30­87) and median   follow-up   Not
          postoperative follow­up period was 18 months (2­48).   interval  n (%)  improved Improved Resolved % EWL
             Remission of T2DM was seen in 53.3% (n = 57) of the   6 months  6 (5.6)  0 (0)  2 (33.3)  4 (66.7)  54
          patients and improvement of T2DM was seen in 38.3%     12 months 22 (20.6) 2 (9.1)  7 (31.8)  13 (59.1) 72
          (n = 41). Median pre­ and postoperative FBG was      18 months 34 (31.8) 3 (8.8)  17 (50.0) 14 (41.2) 75
          11 mmol/l (4­27) and 6 mmol/l (3­18), respectively.     24 months 13 (12.1) 1 (7.7)  1 (7.7)  11 (84.6) 75
          Similarly,  median HBA1C  levels  decreased by  2.9%    36 months 27 (25.2) 3 (11.1)  13 (48.1) 11 (40.7) 65
                                                                                        1 (20)
                                                                                                         73
                                                                                0 (0)
                                                               48 months 5 (4.7)
                                                                                                4 (80)
          between the pre­ and postoperative period, from 9.5% (6­17)     p = 0.232 (Fisher’s exact test)
          to 6.6% (3­11). Diabetes status during interval follow­up
          periods is depicted in Table 1. No significant difference   Table 2: Duration-based outcome of T2DM after LSG
          was found in T2DM remission and improvement in terms   Duration of       Not
          of patient gender (p = 0.985) and age (p = 0.933).   DM in years         improved    Improved  Resolved
             The median preoperative duration of diabetes among   (pre-op)  Total n (%)  n (%)  n (%)  n (%)
                                                                                              1 (25.0)
                                                                                   0 (0)
                                                                         4 (5.3)
                                                                                                       3 (75.0)
                                                               < 1
          the patients was 9 years (0.1­24). Duration based analysis   1-3  19 (25.0)  1 (5.3)  3 (15.8)  15 (78.9)
          showed an inverse relationship between the duration     3-5    16 (21.1)  1 (6.3)   4 (25.0)  11 (68.8)
          of preoperative diabetes and likelihood of diabetes    5-10    20 (25.8)  0 (0)     9 (45.0)  11 (55.0)
          remission postoperatively (p < 0.001). Most of the patients   > 10  17 (23.7)  1 (5.9)  14 (82.4)  2 (11.8)
          in whom diabetes resolved had the disease for less than    p = 0.001 (Fisher’s exact test)
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