Page 24 - World Journal of Laparoscopic Surgery
P. 24

Bhawna Bansal
          •  7  out  of  10  studies  reported  length  of  hospital     Articles in this review have been consistent in the
             stay. 1,2-6,10                                   finding of less intraoperative blood loss in the laparo-
          •  8 out of 10 studies reported operating time. 1-8,10  scopic approach. This is undoubtedly due to the energy
          •  2 out of 10 studies studied the fertility outcomes. 3,8  sources available which reduce blood loss in the same.
             There have been two types of trials to compare      Laparoscopic myomectomy is a less painful proce-
          laparoscopy and laparotomy. The first type compares   dure compared to open myomectomy, as indicated by
          the short- and long-term intra- and postoperative param-  lower visual analog scale (VAS) pain scores at 6 and
          eters. The second type compares the fertility outcomes  at 48 hours. However, no proof of a big difference in
          of both the surgical approaches.                    pain scores was noted at 24 hours by VAS after surgery
             Operating time has been one parameter consid-    between laparoscopic myomectomy and all types of
          ered. There has been a consistent finding of decreased  open  myomectomy.  Moderate  heterogeneity  (43%)

          operating time in minimal access approach except one  for this assessment could be explained by Tan et al in
          study.  This study had compared laparoscopy-assisted  2008, which included laparoscopically assisted mini-
               10
          myomectomy with minilaparotomy.                     laparotomy myomectomy in which laparoscopy is
             Intraoperative blood loss has been analyzed by 5 of   employed  for  fibroid  enucleation  and  rapport,  and
          the 10 studies. There has been found to be a significant   specimen removal and suturing are carried out through
          difference between the two surgical approaches as far     small abdominal incision. This might reduce tissue
          as blood loss is concerned with the minimal access   damage and operating time compared with open
          approach resulting in significantly less blood loss.   myomectomy and may skew the results of pain scores.
          Decrease in hemoglobin concentration is another way of   The overall level of evidence for postoperative pain is
          measuring blood loss and has been used by three studies.   modest, which means that further research is more
          All three studies found a significant difference.   likely to have an important impact on our confidence
             Postsurgery pain perception and pain relief require-  in the estimate of effect of minimal access surgery.
          ment have also been measured by 4 out of 10 studies,   The minimal access approach also involves less bowel
          and here also the laparoscopic approach was found to   handling, which invariably results in less postoperative
          be significantly better, as the patients perceived less pain   paralytic ileus and a shorter time of return to normal
          and required less amount of analgesia.              bowel reactivity. This finding, however, has been refuted
             Days of bowel reactivity/postoperative paralytic ileus   by Tan et al.
          was measured by 3 of the 10 studies considered in this   All the above factors also are contributory toward
          review. While two of these found a significant difference   early discharge of the patient from the health care facility
          with the laparoscopic approach, Tan et al failed to find a   and better patient acceptance of the procedure.
          significant difference. 6                              Myomas have been considered a contributory factor
             Duration of hospitalization is another important   for infertility, and a lot of patients undergo myomectomy
          aspect which is different for both surgical approaches.   in order to conceive. Not many studies have compared
                                                              the fertility outcomes of myomectomy surgery vis-à-vis
          The time to discharge was found to be significantly less
          by all studies which analyzes this parameter, except by   the surgical approach. However, the limited data available
                                                              does not indicate any significant difference in the results
          Tan et al. 6                                        in patients of infertility problem.
             Two of the 10 studies considered in this review have   Laparoscopy is a technically challenging procedure
          reported about fertility outcomes post myomectomy   that requires both specialized instruments and advanced
          and whether the surgical approach makes a difference   intracorporeal suturing capability of the surgeon. Clearly,
                                 8
          to the same. Palomba et al  did not find any significant   laparoscopic myomectomy is not feasible to all patients,
          difference in any of the outcomes except the time to   and even skilled operative laparoscopists choose lapa-
                                           3
          first pregnancy, while Malzoni et al  did not find any    rotomy in patients with large multiple myomas.
          difference in the pregnancy rate.
                                                                 Many women choose minimally invasive surgery
                                                              because of obvious advantages, such as shorter post-
          DISCUSSION
                                                              operative recovery time and a reduced risk of infection
          Operating time has been found to be consistently less  for laparoscopic hysterectomy or myomectomy com-
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                                                          10
          with laparoscopic approach, except in an earlier study.   pared with abdominal hysterectomy or myomectomy.
          This could also be due to the learning curve of minimal  Nevertheless an important aspect of safety associated

          access surgery. The availability of better instruments  with laparoscopic  hysterectomy or  myomectomy is
          and energy sources may also have contributed to decrease  discussed in the recently published US Food and Drug
          in operative time over the course of last 10 years.  Administration (FDA) safety communication about
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