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ORIGINAL ARTICLE
Year : 2021  |  Volume : 22  |  Issue : 2  |  Page : 169-175

The comparison of arm and forearm double tourniquet in terms of the onset and duration of analgesia, tourniquet pain, and the return of sensation and movement in distal upper extremity surgery: A randomized clinical trial


1 Departments of Anesthesiology and Critical Care, Arak University of Medical Sciences, Arak, Iran
2 student research commitee, Arak University of Medical Sciences, Arak, Iran
3 Department of nursing, School of Paramedical Sciences, Arak University of Medical Sciences, Arak, Iran
4 Department of Orthopedic Surgery, Arak University of Medical Sciences, Arak, Iran

Correspondence Address:
Dr. Esmail Moshiri
Department of Anesthesiology and Critical Care, Arak University of Medical Sciences, Arak
Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/TheIAForum.TheIAForum_70_21

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Aims: The current study aimed at comparing arm and forearm double tourniquet in terms of the onset and duration of analgesia, tourniquet pain, and the return of sensation and movement in distal upper extremity surgery. Methods: This double-blind clinical trial was performed on 70 patients who were candidates for distal upper extremity orthopedic surgeries. The patients were randomized into two groups of arm and forearm double tourniquet. The onset time and duration of sensory and motor blocks were recorded. The pain level was recorded by visual Analog Scale (VAS) after inflating the tourniquet every 15 min till the end of operation at 15, 30, and 45 min as well as every 30 min for 2 h (at 30, 60, 90, and 120 min.) and at 6, 12, and 24 h after deflating the tourniquet. SPSS version 20 was used to analyze the data. Results: During 8–24 h after the surgery, the pain in arm double- tourniquet group was less than that in the other group (P < 0.05). There was no statistically significant difference in the time to onset of sensory–motor block between the two groups (P > 0.05). The duration of sensory block in arm double tourniquet was longer than that in forearm double tourniquet group (P = 0.002). In addition, the duration of motor block in arm double tourniquet was also longer than that in forearm double tourniquet group (P = 0.001). The pain level was equal in both the groups at all times except for the time interval of 8–24 h after the operation in arm double tourniquet group. Furthermore, there was no statistically significant difference in the pain level, and the time to onset of sensory–motor block was the same in both the groups as well. However, the duration of sensory–motor block was longer in the arm double tourniquet group, while no complication was found in either group. Conclusion: Both the techniques are applicable in hand and distal upper extremity surgeries provided that the surgical duration is not too long. Using forearm double tourniquet technique is preferable to arm double tourniquet, but the surgical duration should not exceed 60 min. That is because less amount of anesthetic drugs is needed in forearm double tourniquet technique, hence leading to a decrease in the potential side effects.


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