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 Table of Contents  
LETTER TO EDITOR
Year : 2015  |  Volume : 7  |  Issue : 3  |  Page : 129-130

Laparoscopic cholecystectomy under epidural anesthesia: A feasibility study


1 Department of Anaesthesiology and Critical Care, North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences, Shillong, Meghalaya, India
2 Department of Anaesthesia, Employees' State Insurance-Post Graduate Institute of Medical Sciences and Research, Joka, Kolkata, West Bengal, India

Date of Web Publication25-Mar-2015

Correspondence Address:
Jayanta Kr. Mitra
Department of Anaesthesia, Employees' State Insurance-Post Graduate Institute of Medical Sciences and Research, Joka, Kolkata, West Bengal
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1947-2714.153929

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How to cite this article:
Karim HM, Mitra JK. Laparoscopic cholecystectomy under epidural anesthesia: A feasibility study. North Am J Med Sci 2015;7:129-30

How to cite this URL:
Karim HM, Mitra JK. Laparoscopic cholecystectomy under epidural anesthesia: A feasibility study. North Am J Med Sci [serial online] 2015 [cited 2019 Nov 14];7:129-30. Available from: http://www.najms.org/text.asp?2015/7/3/129/153929

Dear Editor,

We read with great interest the work done by Hajong et al., which has been published in your esteemed journal. [1] Laparoscopic cholecystectomy is a very common surgical procedure. The goal of anesthetic management for patients undergoing laparoscopic cholecystectomy includes achieving adequate level of sensory blockade, management of pneumoperitoneum, management of shoulder tip pain along provision of postoperative pain relief adequate to prevent deterioration of respiratory mechanics, and early ambulation. Spinal, epidural anesthesia, or combined spinal epidural (CSE) anesthesia fulfills these criteria, and thus has been suggested to be a suitable alternative anesthetic method for laparoscopic surgeries. [2] It has been performed under spinal anesthesia with a good success rate. [3],[4] CSE anesthesia has also been used for laparoscopic appendectomy with success. [5] Laparoscopic cholecystectomy under epidural anesthesia has also been done in patients with comorbidity. [6],[7] The feasibility assessment of epidural anesthesia in American Society of Anesthesiologists (ASA) I and II physical status patients is an interesting aspect; however, we have few concerns regarding the present work.

Firstly, in the present study local anesthetic drug used is not so clear. After epidural catheter placement, 3 ml of 2% lidocaine with adrenaline (1:200,000) was given as a test dose followed by 10 ml of 0.5% bupivacaine, which was given via the epidural catheter. Thereafter, incremental doses of 3 ml of 0.5% bupivacaine were given till the desired level of block was reached. Again anesthetic solution was prepared using 18 ml of lidocaine 2% plus epinephrine (1:200,000) and 2 ml of sodium bicarbonate 8.4%. After negative aspiration, 3 ml of the solution was administered as a test dose followed by an additional 7 ml along with 50 μg fentanyl and an additional 2 ml of the solution was administered incrementally to reach the desired level of segmental block.

Secondly, the combined dose of administered local anesthetic clearly appears to be in toxic level even for infiltration anesthesia and above recommended maximum dose for an average Indian female patient of 45-50 kg. [8]

Thirdly, it is mentioned that, epidural catheter was inserted at T9-10 ± 2 levels, which was further pushed 3 cm cephalic and then drug was injected. The position appears to be fine, but in association with the high dose, volume, and concentration used as mentioned; chances of involvement of cardiac accelerator fibers are very likely. Though the desired level of block word is mentioned, level of desired block or block achieved before starting the surgery, including the severity of block is also not mentioned.

Fourthly, it is mentioned that end-tidal carbon dioxide (EtCO 2 ) was monitored in these patients. As the patients were on facemask for O 2 supplementation, what method was used to measure or monitor EtCO 2 accurately is in not clear? If it was measured from expired gas of face mask in the study, what was the use and reliability?

Fifthly, CO 2 pneumoperitonuem is expected to increase minute ventilation in an otherwise awake patient under epidural anesthesia. In the present study it is mentioned that no significant changes were noted in the respiratory parameters in any patients which appears to be contradictory to the normal physiology. Or, can it be because that some of them have received injection midazolam 1-2 mg and incremental fentanyl 1-2 μg/kg over and above epidural 50 μg fentanyl in all patients intraoperatively which have actually caused enough sedation to cause respiratory depression? In this context, it will be nice to know, what parameters were monitored for respiratory changes along with the sedation level of the patients.

Sixthly, spinal or CSE anesthesia is known for its rapid onset and same is a disadvantage of epidural anesthesia. To judge feasibility of a technique in perioperative period, especially in ASA I and II physical status patients for routine use, it is also necessary to take the time and cost factor into account. The cost of the epidural catheter set, price of high amount of drugs needed for epidural anesthesia and the time required to achieve the desired level of block with 10% conversion (as found in this study) to general anesthesia (GA) rate needs to be introspected further before deciding so.

 
  References Top

1.
Hajong R, Khariong PD, Baruah AJ, Anand M, Khongwar D. Laparoscopic cholecystectomy under epidural anesthesia: A feasibility study. N Am J Med Sci 2014;6:566-9.  Back to cited text no. 1
    
2.
Tzovaras G, Fafoulakis F, Pratsas K, Georgopoulou S, Stamatiou G, Hatzitheofilou C. Spinal vs general anesthesia for laparoscopic cholecystectomy: Interim analysis of a controlled randomized trial. Arch Surg 2008;143:497-501.  Back to cited text no. 2
    
3.
Sinha R, Gurwara AK, Gupta SC. Laparoscopic cholecystectomy under spinal anesthesia: A study of 3492 patients. J Laparoendosc Adv Surg Tech A 2009;19:323-7.  Back to cited text no. 3
    
4.
Tiwari S, Chauhan A, Chaterjee P, Alam MT. Laparoscopic cholecystectomy under spinal anaesthesia: A prospective, randomised study. J Minim Access Surg 2013;9:65-71.  Back to cited text no. 4
    
5.
Mane RS, Patil MC, Kedareshvara KS, Sanikop CS. Combined spinal epidural anesthesia for laparoscopic appendectomy in adults: A case series. Saudi J Anaesth 2012;6:27-30.  Back to cited text no. 5
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6.
Pursnani KG, Bazza Y, Calleja M, Mughal MM. Laparoscopic cholecystectomy under epidural anesthesia in patients with chronic respiratory disease. Surg Endosc 1998;12:1082-4.  Back to cited text no. 6
    
7.
Sulemanji DS, Dönmez A, Arslan G. Epidural anaesthesia for laparoscopic cholecystectomy in a patient with scleroderma. Br J Anaesth 2006;97:749.  Back to cited text no. 7
    
8.
Cox B, Durieux ME, Marcus MA. Toxicity of local anaesthetics. Best Pract Res Clin Anaesthesiol 2003;17:111-36.  Back to cited text no. 8
    




 

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