Workstation peril: Paradoxical inability to ventilate in manual/spontaneous mode with mechanical ventilation modes unaffected

Shah, ShagunB; Dubey, JitendraKumar; Chaudhary, Vineet; Chawla, Rajiv

doi:10.4103/ija.ija_243_22

Indian Journal of Anaesthesia

2022

DOI: 10.4103/ija.ija_243_22

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Workstation peril: Paradoxical inability to ventilate in manual/spontaneous mode with mechanical ventilation modes unaffected

ShagunB Shah¹,

JitendraKumar Dubey²,

Vineet Chaudhary³

et al.

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Cited by 3 publications

(2 citation statements)

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“…[ 33 ] The journal also witnessed correspondence related to troubleshooting and innovative approaches during elective surgeries. [ 34 35 36 37 ] The journal featured an observational study on intubation practices at a prominent trauma centre. [ 38 ] Anticipating future multicentre national and global collaborations for comprehensive data.…”

mentioning

confidence: 99%

Thrust on airway research – Exploring the publications

Bindra,

Roy

2023

Indian Journal of Anaesthesia

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mentioning

confidence: 99%

Thrust on airway research – Exploring the publications

Bindra,

Roy

2023

Indian Journal of Anaesthesia

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“…Technical problems with the anaesthesia workstation are often reported. [ 2 ] The American Society of Anesthesiologists (ASA) has developed pre-anaesthesia checkout guidelines and these are widely accepted to be important components of safe anaesthesia practice. Incorporation of safety features in anaesthesia machines and ensuring a proper check-up of the machine is done before its use on a patient.…”

mentioning

confidence: 99%

Internal system failure of Drager Primus anaesthesia workstation because of inefficient humidification inside the operating room

Kumar¹,

Kumar²,

Kumar³

2022

Indian Journal of Anaesthesia

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Comparison of two techniques of administering the Valsalva manoeuvre in patients under general anaesthesia: A randomised controlled study

Shah,

Chaudhary,

Chawla

et al. 2024

Indian Journal of Anaesthesia

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Background and Aims: Surgeons often request a Valsalva manoeuvre (VM) at the end of surgery (head–neck surgery, craniotomy) to check haemostasis and to unmask covert venous bleeders. We aimed to compare an anaesthesia machine-generated objective technique for delivering VM under pressure-control (PC) mode with the traditional subjective technique of delivering VM in manual mode. Methods: This randomised controlled study included 60 adult patients randomised to manual (Group M) and controlled ventilation (Group C) groups. Our primary outcome measure was internal jugular vein (IJV) diameter at pre-determined time points (T0 = baseline, T1 = VM initiation, T2 = 20 s after VM initiation, T3 = immediately after VM release, and T4 = 1 min, T5 = 2 min and T6 = 5 min post-VM release). Secondary outcome measures included mean arterial pressure (MAP), heart rate, time to desired plateau airway pressure, number of patients with bleeders unmasked and surgeon satisfaction. Independent/paired sample t-tests were applied. Results are expressed as mean (standard deviation), mean difference (95% confidence interval), dotted box–whisker plots and trendlines. P <0.05 is considered statistically significant. Results: Mean differences in diameter changes in IJV (in centimetres) in the mediolateral and anteroposterior directions between Group C and Group M were -0.136 (-0.227, -0.044) and -0.073 (-0.143, -0.002), respectively. VM in the PC mode produced more significant IJV dilatation (P = 0.004, P = 0.044). MAP at T0 and T1 was comparable. At T2 and T3, there was a more significant fall in MAP in Group C versus Group M (P = 0.018 and P = 0.021, respectively). At T4, T5 and T6, MAP was comparable. Conclusion: Performing VM in PC mode is a better technique based on IJV diameter, haemodynamics, bleeder unmasking and surgeon satisfaction.

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Workstation peril: Paradoxical inability to ventilate in manual/spontaneous mode with mechanical ventilation modes unaffected

Cited by 3 publications

References 4 publications

Thrust on airway research – Exploring the publications

Thrust on airway research – Exploring the publications

Internal system failure of Drager Primus anaesthesia workstation because of inefficient humidification inside the operating room

Comparison of two techniques of administering the Valsalva manoeuvre in patients under general anaesthesia: A randomised controlled study

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