Gastrointestinal Cancer Clinical Trial
Official title:
Correlation Between Intraocular Pressure Measurement by Tomometer and Anterior Chamber Depth Measurement by Ultrasound in Steep Trendelenberg Position During Robotic Assisted Surgery
NCT number | NCT02818530 |
Other study ID # | PN 1690 |
Secondary ID | |
Status | Terminated |
Phase | N/A |
First received | |
Last updated | |
Start date | June 21, 2017 |
Est. completion date | May 7, 2018 |
Verified date | May 2018 |
Source | Tata Memorial Centre |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
Intra ocular pressure (IOP) may theoretically increase due to steep Trendelenberg position
and studies showed that IOP reaches peak levels after steep Trendelenberg position on an
average of 13 mmHg higher than preanesthesia induction values. Major determinants of IOP are
aqueous humor flow, choroidal blood volume, central venous pressure and extra ocular muscle
tone.
Hassen GW et al measured anterior chamber depth in 2 patients with glaucoma and compared the
anterior chamber depth (ACD) with the intraocular pressure measured by tonometer. They
concluded that bedside ultrasound could be useful in evaluating patient with suspected
increased IOP, who are unable to open their eyes.
Status | Terminated |
Enrollment | 10 |
Est. completion date | May 7, 2018 |
Est. primary completion date | May 7, 2018 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 70 Years |
Eligibility |
Inclusion Criteria: 1. ASA class I-III 2. Urological cancer patients under going robotic assisted surgeries. 3. Gastrointestinal cancer patients under going robotic assisted surgeries, 4. Gynecological cancer patients under going robotic assisted surgeries, Exclusion Criteria: 1. ASA class IV and above 2. Patients with a history of glaucoma. 3. Patients with corneal disease, retinal vascular disease. |
Country | Name | City | State |
---|---|---|---|
India | Sohan Lal solanki | Mumbai | Maharashtra |
Lead Sponsor | Collaborator |
---|---|
Tata Memorial Centre |
India,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Changes in intraocular pressure measured by tonometer | Intra operative recordings of IOP will be after induction and thereafter will be measured every 2 hours and at the end of surgery. | Just after induction of anesthesia, every 2 hours during surgery and immediately after surgery | |
Primary | Changes in anterior chamber depth measured by ultrasound. | Intra operative recordings of anterior chamber depth will be measured after induction of anaesthesia, every 2 hours intraoperatively and at end of surgery. | Just after induction of anesthesia, every 2 hours during surgery and immediately after surgery | |
Secondary | Time dependent changes in IOP during prolonged steep Trendelenberg position. | Just after induction of anesthesia, every 2 hours during surgery and immediately after surgery | ||
Secondary | Time dependent changes in anterior chamber depth during prolonged trendelenberg position. | Just after induction of anesthesia, every 2 hours during surgery and immediately after surgery |
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