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Global Translational Medicine                                    Open carpal tunnel release surgical outcomes



            the CTS severity assessment . Nerve conduction studies   of open CTR. The classification for the effectiveness
                                   [16]
            (NCS) serve as a useful tool for evaluating CTS, aiding in   assessment is as follows: If symptoms of CTS persist after
            diagnosis, decision-making for the treatment plan (whether   surgery, the condition is categorized as persistent; should
            conservative or surgery), and predicting post-surgical   symptoms of CTS reappear within 3  months or more
            prognostic  outcomes. Notably,  the previous  research has   following the surgery, it is classified as recurrent; in cases
            linked NCS results to poor outcomes for surgical release,   where the outcomes show a transition from a severe to
            underscoring  the  significance  of  addressing  clinical   a mild or moderate stage of the disease, the treatment is
                                                                                 [18]
                                                       [17]
            outcomes for the benefit of both patients and surgeons .  considered successful . Face-to-face follow-up visits
              The objectives of this study were as follows: (i) To   were carried out depending on the patient’s needs and
            determine  the  surgical  outcomes  and  complications   the assessment of OCTR outcomes. OCTR procedures
            following OCTR surgeries; (ii) to compare the presentation   were performed at Zliten Teaching Hospital in accordance
            of CTS symptoms at the pre-operative stage with those   with the severity of the median nerve neuropathy and the
            observed at the post-operative follow-up; and (iii) to evaluate   recommended clinical guidelines. All surgical operations,
            the factors (body mass index and nerve conduction study   patient assessments, history taking, and consultations were
            severity) associated with post-operative complications.  carried out by specialized orthopedic surgeons affiliated
                                                               with Zliten Teaching Hospital.
            2. Materials and methods                             The OCTR technique involved the administration of
            2.1. Study setting                                 infiltrated local anesthesia during the surgical procedure.
                                                               The open technique involved creating an approximately
            This study adopted a case series design and was conducted at   3-cm incision aligned with the radial border of the ring
            the Department of Orthopedics and Traumatology in Zliten   finger, directly over the transverse carpal ligament in the
            Teaching Hospital, Libya, spanning from January 2016 to   proximal palm. Dissection proceeded through the palmar
            December 2018. Patients who opted to undergo an OCTR   fascia until reaching the transverse carpal ligament, which
            procedure involving the transverse carpal ligament were   was divided while being directly observed. In addition,
            recruited during the pre-operative stage and prospectively   the antebrachial fascia was released several centimeters
            followed up for 2 years to assess the surgical outcomes of   proximal to the incision, and distally until yellow fat is
            OCTR. The demographic information of the patients and   observed. As part of the postoperative procedure, dressings
            all  required  data  were  obtained  through  a  review  of  the   were removed within 3 – 5 days, and hand range of motion
            hospital’s medical records and face-to-face meetings.  exercises was promptly initiated. The sutures was removed
              The study enrolled adult outpatients diagnosed with CTS   after 10 days. Subsequently, the median nerve gliding
            through clinical classification and nerve conduction study   exercise was started.
            (NCS), who were deemed unsuitable for conservative (non-  Using  Krejcie  and  Morgan’s  table  for  sample  size
            surgical) approaches. All patients who met the following   calculation, it was determined that a sample size of 260
            inclusion criteria were considered: (i) Presented CTS   was required for a population of 800 outpatients at the
            symptoms (numbness, tingling, and pain); (ii) exhibited   Department of Orthopedics and Traumatology. Ultimately,
            confirmed CTS signs during physical examination,   a total of 256  patients met the eligibility criteria and
            including a positive Phalen or Tinel sign; and (iii) had CTS   regularly attended follow-up sessions. Consequently, these
            confirmed by NCS (prolonged distal motor latencies of   256 patients were included in the data analysis.
            the median nerve of >4.5 ms or sensory nerve conduction
            velocity of <40  m/s). However, this research excluded   2.2. Statistical analysis
            pregnant women, patients diagnosed with musculoskeletal   Data were entered and analyzed using the Statistical
            disorders, peripheral neuropathy, or recurrent CTS, and   Package for the Social Sciences, version 23.0. Continuous
            patients who refused voluntary participation and/or had   variables were expressed as mean and standard deviation
            lost in follow-up with the Department of Orthopedics and   (SD) for normally distributed data. However, for non-
            Traumatology during the study period.
                                                               normally distributed data, median and interquartile ranges
              Nerve conduction studies were performed on both hands   were used. An independent  t-test was performed when
            by trained clinical technicians, with patients positioned   analyzing normally distributed data to assess differences
            supine and in a relaxed state. Electrophysiological testing   in BMI between patients with and without post-operative
            through NCS, as well as clinical presentations during   complications. In addition, non-parametric tests, such
            pre-operative and post-operative follow-up periods, were   as the Chi-square test, were conducted to evaluate the
            used as the outcome parameters to assess the effectiveness   association between NCS severity and post-operative


            Volume 2 Issue 4 (2023)                         3                        https://doi.org/10.36922/gtm.1019
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