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CC BY 4.0 · Indian Journal of Neurosurgery
DOI: 10.1055/s-0045-1811669
Review Article

Comparison of Various Methods for Blunting the Hemodynamic Response to Skull Pin Insertion in Neurosurgical Patients: A Systematic Review

Prashant Lakhe 
1   Department of Neurosurgery, All India Institute of Medical Sciences, Nagpur, Maharashtra, India
,
Chayanika Kutum 
2   Department of Anaesthesiology and Critical Care, All India Institute of Medical Sciences, Nagpur, Maharashtra, India
,
Piyush Panchariya
3   Department of Neurosurgery, MGM Medical College and Super Speciality Hospital, Indore, Madhya Pradesh, India
,
Anil Kumar B.C
1   Department of Neurosurgery, All India Institute of Medical Sciences, Nagpur, Maharashtra, India
,
Niraj Ghimire 
4   Department of Neurosurgery, Nepalgunj Medical College, Nepalgunj, Nepal
,
Uzma Begum
5   Department of Anaesthesiology and Critical Care, BLK Max Hospital, New Delhi, India
,
Nayana Sabu 
2   Department of Anaesthesiology and Critical Care, All India Institute of Medical Sciences, Nagpur, Maharashtra, India
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Abstract

Introduction

The application of skull pins can induce tachycardia and hypertension, potentially leading to intracerebral hemorrhage or elevated intracranial pressure. Both pharmacologic and non-pharmacologic modalities have been employed to mitigate these deleterious effects, with varying degrees of success.

Objective

We aimed to conduct a systematic review to assess and compare various strategies for preventing the hemodynamic response to skull pin insertion in neurosurgery.

Materials and Methods

We searched the PubMed, Google Scholar, and Cochrane Library databases, along with forward and backward citations, up to May 2024. Randomized controlled trials investigating methods used to blunt the hemodynamic response to skull pin application in neurosurgical patients were included. A qualitative review was performed on the effects of local anesthesia (LA), comparisons between local and intravenous agents, as well as the use of α-agonists and opioids. The quality of evidence was assessed using the Risk of Bias-2 tool. This study is registered on PROSPERO (CRD42024485232).

Results

Of the 10,812 records identified, 54 studies were included, the majority of which had either low or some concerns regarding the risk of bias. In 45% of the studies, local infiltration alone was effective in preventing the hemodynamic response. Similarly, scalp block alone was effective in 92.3% of trials. Both clonidine and dexmedetomidine were found to be effective in most studies, whereas opioids were ineffective in 50% of the trials. When comparing LA with IV agents, 62.5% of studies reported that both methods were equally effective.

Conclusion

Among methods evaluated, scalp block and dexmedetomidine (particularly at 1 µg/kg IV) consistently demonstrated high efficacy in blunting the hemodynamic response to skull pin insertion. Clonidine also showed robust effectiveness across studies. Local infiltration was beneficial in most, but not all cases, while opioids and β-blockers showed variable or limited efficacy.

Keywords

neurosurgery - hemodynamics - hypertension - tachycardia - skull pin

Data Availability Statement

All data generated or analyzed during this study are included in this published article.


Authors' Contribution

All authors contributed to the study conception and design. Material preparation, data collection, and analysis were performed by C.K., P.L., and P.P. The first draft of the manuscript was written by C.K., and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.




Publication History

Article published online:
10 September 2025

© 2025. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution License, permitting unrestricted use, distribution, and reproduction so long as the original work is properly cited. (https://creativecommons.org/licenses/by/4.0/)

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