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CTRI Number  CTRI/2026/02/103866 [Registered on: 13/02/2026] Trial Registered Prospectively
Last Modified On: 09/02/2026
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Cohort Study 
Study Design  Other 
Public Title of Study   Evaluation of stomach emptying in patients with neck spine disorders using ultrasound 
Scientific Title of Study   Effect of different cervical spine pathologies on gastric emptying, using bed side ultrasound in adults patients- A prospective observational study. 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr M NANDINI 
Designation  Junior resident  
Affiliation  Nizams institute of medical sciences 
Address  Room 10, Emergency block, 3rdfloor, department of anaesthesia,Nizams institute of medical sciences,Punjagutta, Hyderabad, Telangana.

Hyderabad
TELANGANA
500082
India 
Phone  7032472232  
Fax    
Email  mallelanandini9@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Prasad Rao Kaluvala 
Designation  Additional professor  
Affiliation  Nizams institute of medical sciences  
Address  Room 2,old block,1st floor, department of anaesthesia, Nizams institute of medical sciences, punjagutta, Hyderabad, telangana.

Hyderabad
TELANGANA
500082
India 
Phone  9030460262  
Fax    
Email  drkprasadrao@yahoo.com  
 
Details of Contact Person
Public Query
 
Name  Dr M Nandini  
Designation  Junior resident  
Affiliation  Nizams institute of medical sciences  
Address  Room 10, emergency block, 3rd floor, department of anaesthesia, Nizams institute of medical sciences, punjagutta, Hyderabad

Hyderabad
TELANGANA
500082
India 
Phone  7032472232  
Fax    
Email  drkprasadrao@gmail.com  
 
Source of Monetary or Material Support  
Nizams institute of medical sciences, punjagutta, Hyderabad 500082, India  
 
Primary Sponsor  
Name  M Nandini  
Address  Room 10,3rd floor, emergency block, department of anaesthesia, Nizams institute of medical sciences, punjagutta, Hyderabad, 500082,India 
Type of Sponsor  Other [Self] 
 
Details of Secondary Sponsor  
Name  Address 
Nil  Nil 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr MALLELA NANDINI  Nizams institute of medical sciences ( NIMS), HYDERABAD   Room 10, 4th floor, emergency block, department of neurosurgery, Nizams institute of medical sciences, punjagutta, Hyderabad, telangana, 500082
Hyderabad
TELANGANA 
7032472232

mallelanandini9@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
NIMS INSTITUTIONAL ETHICS COMMITTEE   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: G952||Other and unspecified cord compression,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Nil  Nil 
Comparator Agent  Nil  Nil 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  All patients with cervical spine pathology either acute or chronic and traumatic or non traumatic etiology scheduled for elective cervical spine surgery belonging to ASA class 1 and 2 
 
ExclusionCriteria 
Details  High risk patients
Emergency surgery
Multiple comorbidities 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
To assess effect of cervical spine pathologies( acute vs chronic , traumatic vs non traumatic) on gastric emptying  To assess effect of cervical spine pathologies( acute vs chronic , traumatic vs non traumatic) on gastric emptying 
 
Secondary Outcome  
Outcome  TimePoints 
To corelate demographic factors, effect of duration of disease, levels of spine involved on gastric emptying    
 
Target Sample Size   Total Sample Size="144"
Sample Size from India="144" 
Final Enrollment numbers achieved (Total)= "Applicable only for Completed/Terminated trials"
Final Enrollment numbers achieved (India)="Applicable only for Completed/Terminated trials" 
Phase of Trial   N/A 
Date of First Enrollment (India)   01/03/2026 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="1"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Yet Recruiting 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   N/A 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Response - NO
Brief Summary   Cervical spine pathologies, both traumatic and non-traumatic, are associated not only with motor and sensory deficits but also with significant autonomic dysfunction, including gastrointestinal (GI) motility disturbances. Disruption of sympathetic outflow with preserved vagal tone may lead to delayed gastric emptying (DGE), increasing the risk of aspiration during anesthesia, particularly in patients with anticipated difficult airways. Despite the clinical relevance, there is limited literature comparing gastric emptying patterns across different cervical spine pathologies.
This prospective observational study aims to assess the effect of cervical spine diseases—classified as acute or chronic, traumatic or non-traumatic—on gastric emptying using bedside ultrasound. The study will recruit adult patients (aged 18–60 years) scheduled for elective cervical spine surgery, ASA I–II, over a period of one year at Nizam’s Institute of Medical Sciences. Exclusion criteria include emergency surgeries, ASA III–IV status, long-standing diabetes, chronic renal failure, GERD, BMI >40, polytrauma, and autonomic neuropathy.
Gastric volume will be assessed using a curvilinear probe (2–5 MHz) in the right lateral position. The antral cross-sectional area (ACSA) will be measured using anteroposterior and craniocaudal diameters, and gastric volume will be calculated using the Perlas formula:
Volume (mL) = 27 + 14.6 × ACSA (cm²) – 1.28 × age
Baseline gastric volume (after 8 hours fasting) and postprandial volume (4 hours after a standard breakfast) will be recorded. Each time, three ultrasound readings will be averaged. Additional variables including type and duration of cervical pathology, use of cervical collar, neurological deficits, and comorbidities will also be documented.
The study aims to identify high-risk subgroups requiring tailored fasting guidelines to optimize perioperative safety and minimize aspiration risk.
 
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