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Table of Contents
CASE REPORT
Year : 2013  |  Volume : 29  |  Issue : 4  |  Page : 540-542

Bilateral transversus abdominis plane block as a sole anesthetic technique in emergency surgery for perforative peritonitis in a high risk patient


Department of Anesthesia, SCB Medical College, Cuttack, Orissa, India

Date of Web Publication1-Oct-2013

Correspondence Address:
Lipi Mishra
Department of Anesthesia, SCB Medical College, Cuttack 753 001, Orissa
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0970-9185.119140

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  Abstract 

Although transversus abdominis plane (TAP) block is an effective way of providing analgesia in post-operative abdominal surgery patients; however, it can be considered as an anesthetic technique in high-risk cases for surgery. We report a case of a geriatric female with chronic obstructive pulmonary disease in the respiratory failure, hypotension, posted in an emergency with old perforation leading to peritonitis. The surgery was successfully conducted under bilateral TAP block, which was used as a sole anesthetic technique. TAP block can be considered as an anesthetic technique for abdominal surgery in moribund patients.

Keywords: Perforative peritonitis, transversus abdominis plane block


How to cite this article:
Mishra L, Pani N, Mishra D, Patel N. Bilateral transversus abdominis plane block as a sole anesthetic technique in emergency surgery for perforative peritonitis in a high risk patient. J Anaesthesiol Clin Pharmacol 2013;29:540-2

How to cite this URL:
Mishra L, Pani N, Mishra D, Patel N. Bilateral transversus abdominis plane block as a sole anesthetic technique in emergency surgery for perforative peritonitis in a high risk patient. J Anaesthesiol Clin Pharmacol [serial online] 2013 [cited 2019 Apr 20];29:540-2. Available from: http://www.joacp.org/text.asp?2013/29/4/540/119140


  Introduction Top


The transversus abdominis plane (TAP) block provides effective post-operative analgesia after abdominal surgery. Rafi [1] first described TAP block, who injected local anesthetic through the ilio-lumbar Triangle of Petit within the TAP between the internal oblique muscle and transversus abdominis muscle utilizing the double-loss of resistance technique. Virtually, the ultrasound-guided TAP block is highly effective and easy technique for rendering analgesia for post anterior abdominal incision as supported by literature; [2],[3],[4] however, it can also be used as a sole anesthetic technique for abdominal surgeries where the autonomic innervation is partly or not involved.


  Case Report Top


A 67-year-old woman, 55 kg was admitted to hospital with a 3-day history of abdominal pain, nausea and vomiting. She was diagnosed to have chronic obstructive pulmonary disease (COPD) 5 years ago and had four episodes of prior hospitalization secondary to acute exacerbation. She often required nebulisers and had an exercise tolerance of approximately 100 yards. In the week prior to admission she had received oral antibiotics and steroids for an infective exacerbation of COPD. On admission to the hospital she had signs of peritonitis and her abdomen was noted to be markedly distended. Ultrasonographic scan revealed a possible bowel (duodenal) perforation. She was tachypneic (RR 28/min) with evidence of accessory muscle use. Examination revealed reduced bi-basal air entry with crepitations all over the chest and chest X-ray showed consolidation of the right middle and lower lobe. Her arterial blood gas revealed type I respiratory failure (FiO2 0.60, pH 7.37, pO 2 58 mmHg, pCO 2 45 mmHg). Her heart rate was 112/min, and BP 90/60 mmHg. She was anemic with hemoglobin of 6 g%. S. urea - 102 and S. creatinine-2 g%. Intravenous acetaminophen was administered for pain relief, but despite this she could not cough or take deep inspiration due to ongoing pain. She was categorized as American society of anesthesiologists (ASA) physical status grade IV/E and was planned for emergency laparotomy. We planned to avoid general, epidural or spinal anesthesia, so we opted for TAP block under ultrasound guidance as a sole anesthetic technique. After proper explanation to the patient about the technique of TAP block, she was taken to operation theatre table and monitors attached. Pulse oximetry showed oxygen saturation of 88% on room air. Hence oxygen supplementation was carried out with venturi mask with oxygen flow at 6 L/min. Saturation improved to 92%. After securing an IV access with 18G (Gauge) needle on the right dorsum of the hand, she was sedated with intravenous dexmedetomidine infusion at 4 mcg/kg/min to make her comfortable, cooperative, and pain free for performing the block. Then she was laid supine with the anterolateral abdominal wall exposed bilaterally from the iliac crest to the sub-costal margins and scrubbed aseptically. The block was performed using an aseptic ultrasound guided in-plane technique (s-nerve sonosite, HFL38 (Company brand name of the 6.0 to 13.0 MHz linear probe) probe, 100 mm sonoplex needle). When the needle tip position is within the TAP neuro-fascial plane a mixture of 20 ml of 0.25% bupivacaine, 20 ml of 1% Lidocaine and 0.2 mg adrenaline was injected slowly through the needle. The same steps were repeated on the contra-lateral side. A remarkably good clinical effect was achieved within 30 min with almost complete resolution of pain. After 30 min, the abdominal incision was carried out without pain. All the vital signs remained normal intraoperatively. Effective coughing and deep breathing became possible and her tachypnea gradually resolved. Laparotomy revealed an ileal perforation, which was sealed with omentum. She made a slow post-operative recovery to be discharged from hospital 14 days after admission.


  Discussion Top


The use of TAP blocks for control of post-operative analgesia has been described following a variety of abdominal operations such as appendectomy, hernia repair, caesarean section, [2] abdominal hysterectomy, [3] and prostatectomy etc. [4] Efficacy of TAP block in laparoscopic surgery has also been demonstrated. [5] Bilateral blocks can be given for midline incisions or laparoscopic surgery with careful safe dosing. To our knowledge, the use of ultrasound-guided bilateral TAP for a sole anesthetic technique for upper abdominal surgery in a very high-risk patient has been rarely reported. The skin, muscles and parietal peritoneum of the anterior abdominal wall are innervated by the lower six thoracic nerves and the first lumbar nerve. After leaving the respective intervertebral foramina the anterior rami (sensory afferents) of these nerves course around the transverse process, then pierce the musculature of the lateral abdominal wall to course through a muscle neurovascular plane superficial to the transversus abdominis. In the midaxillary line, the sensory afferents branch out as a lateral cutaneous branch and continue within the TAP to perforate anteriorly supplying the skin as far as the midline. The TAP plane thus provides a space into which the local anesthetic can be deposited to achieve myocutaneous sensory blockade. Whilst early studies showed a T7 to L1 spread with a single posterior injection making the block suitable for midline abdominal incisions, [6] other studies, however, failed to demonstrate a spread cephalad to T10 making it more suited for lower abdominal surgery. [7] In a small cadaveric study, T11, T12, and L1 were most consistently present in the TAP while T10 was present in 50% of the cases. [8] However, augmentation with a subcostal injection will help attain a higher block up to T7 which is a modification of the original technique in which the ultrasound probe is placed just beneath the costal margin and parallel to it. The needle is then introduced from the lateral side of the rectus muscle in the plane of the ultrasound beam and 10 ml of local injected into the TAP to extend the analgesia provided by the posterior tap block above the umbilicus.

In our patient bilateral, sub-costal TAP block under ultrasound guidance resulted in highly effective myocutaneous sensory blockade. As the patient was categorized as ASA IV/E general anesthesia or central neuraxial blockade for the emergency operation for such a high-risk case would have resulted in untoward and fatal complications both intra-operatively and postoperatively. [9],[10],[11],[12],[13],[14] The abdominal wall sensory afferents, which course through the TAP plane could be blocked successfully and effectively by abdominal field blocks or TAP block under ultrasound guidance then the abdominal incision and operation could be carried out without patient's discomfort. [15],[16],[17] Pain caused by visceral stimulation of the celiac plexus may still challenge intraabdominal surgical success which is a major limitation. When the surgeons manipulated the intestine, the patient complained of pain due to stimulation of autonomic nervous system through celiac plexus (vagus), but dexmedetomidine infusion helped in relieving the pain or retching sensation. Dexmedetomidine has been safely used in critically ill patients for sedation and analgesia. [18] Anatomically, sympathetic and somatic innervation are closely related near the neuraxis, but become separated peripherally. Thus, spinal, epidural or paravertebral blocks will cause significant sympathetic block, resulting in major cardiovascular changes and other physiological effects. On the other hand, peripheral nerve blocks only affect somatic innervation and leave the sympathetic efferent intact. If complete denervation of viscera is required, vagal afferents have to be blocked by celiac plexus block. [19],[20],[21] The extent and spread of the local anesthetic solution in the TAP affecting anterior abdominal wall sensory afferents depend on time factor. It seems that the full effect of analgesia takes at least 20-25 min after injection of local anesthetic solution. Mcdonnell et al. suggest that local anesthetic spreads within the TAP plane progressively over the several hours and an early assessment of the extensive TAP block may be missed.


  Conclusion Top


As ultrasound-guided bilateral transversus abdominais neurofascial plane block is quite simple, quick, safe, and effective especially for a very high-risk patient with multi-medical problems and geriatric patients needing an elective or emergency abdominal surgery, the surgeons and anesthesiologists should encourage this technique, even in this advanced era, when it is deemed suitable.

 
  References Top

1.Rafi AN. Abdominal field block: A new approach via the lumbar triangle. Anaesthesia 2001;56:1024-6.  Back to cited text no. 1
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2.McDonnell JG, Curley G, Carney J, Benton A, Costello J, Maharaj CH, et al. The analgesic efficacy of transversus abdominis plane block after cesarean delivery: A randomized controlled trial. Anesth Analg 2008;106:186-91.  Back to cited text no. 2
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3.Carney J, McDonnell JG, Ochana A, Bhinder R, Laffey JG. The transversus abdominis plane block provides effective postoperative analgesia in patients undergoing total abdominal hysterectomy. Anesth Analg 2008;107:2056-60.  Back to cited text no. 3
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4.O'Donnell BD, McDonnell JG, McShane AJ. The transversus abdominis plane (TAP) block in open retropubic prostatectomy. Reg Anesth Pain Med 2006;31:91.  Back to cited text no. 4
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5.Mukhtar K, Singh S. Transversus abdominis plane block for laparoscopic surgery. Br J Anaesth 2009;102:143-4.  Back to cited text no. 5
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6.McDonnell JG, Laffey JG. Transversus abdominis plane block. Anesth Analg 2007;105:883.  Back to cited text no. 6
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7.Shibata Y, Sato Y, Fujiwara Y, Komatsu T. Transversus abdominis plane block. Anesth Analg 2007;105:883.  Back to cited text no. 7
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8.Tran TM, Ivanusic JJ, Hebbard P, Barrington MJ. Determination of spread of injectate after ultrasound-guided transversus abdominis plane block: A cadaveric study. Br J Anaesth 2009;102:123-7.  Back to cited text no. 8
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9.Greant P, Vanden Brande P. Amputation in elderly and high risk vascular patients. Ann Vasc Surg 1990;4:288-90.  Back to cited text no. 9
    
10.Mann RA, Bisset WI. Anaesthesia for lower limb amputation. A comparison of spinal analgesia and general anaesthesia in the elderly. Anaesthesia 1983;38:1185-91.  Back to cited text no. 10
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11.Dodds C. General anaesthesia: Practical recommendations and recent advances. Drugs 1999;58:453-67.  Back to cited text no. 11
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12.Seymour DG, Pringle R. Post-operative complications in the elderly surgical patient. Gerontology 1983;29:262-70.  Back to cited text no. 12
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13.Goldman L, Caldera DL. Risks of general anesthesia and elective operation in the hypertensive patient. Anesthesiology 1979;50:285-92.  Back to cited text no. 13
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14.Sapala JA, Ponka JL, Duvernoy WF. Operative and nonoperative risks in the cardiac patient. J Am Geriatr Soc 1975;23:529-34.  Back to cited text no. 14
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15.Rao TL, Jacobs KH, El-Etr AA. Reinfarction following anesthesia in patients with myocardial infarction. Anesthesiology 1983;59:499-505.  Back to cited text no. 15
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16.Dennison A, Oakley N, Appleton D, Paraskevopoulos J, Kerrigan D, Cole J, et al. Local anaesthesia for major general surgical procedures. A review of 116 cases over 12 years. Postgrad Med J 1996;72:105-8.  Back to cited text no. 16
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17.Kluger MT. Minilaparotomy under local infiltration in a high risk case. Anaesth Intensive Care 1993;21:247.  Back to cited text no. 17
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18.Gerlach AT, Murphy CV, Dasta JF. An updated focused review of dexmedetomidine in adults. Ann Pharmacother 2009;43:2064-74.  Back to cited text no. 18
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19.Katz J, Renck H. Handbook of Thoraco-Abdominal Nerve Block. 1 st ed. Switzerland: Mediglobe SA; 1988. p. 146-53.  Back to cited text no. 19
    
20.Atkinson RS, Rushman GB, Lee JA. Asypnosisof Anaesthesia. 12 th ed. London: IOP Ltd.; 1999. p. 602-55.  Back to cited text no. 20
    
21.Smith JA, Arimtage FN. Principles and Practice of Regional Anaesthesia. 2 nd ed. London: Churchill Livingstone; 1993. p. 153-67.  Back to cited text no. 21
    



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