Confusion in the Elderly After Colon Surgery
| Status: | Completed |
|---|---|
| Conditions: | Neurology, Psychiatric |
| Therapuetic Areas: | Neurology, Psychiatry / Psychology |
| Healthy: | No |
| Age Range: | 65 - Any |
| Updated: | 4/2/2016 |
| Start Date: | January 2012 |
| End Date: | January 2015 |
| Contact: | Mitchell Chorost, MD |
| Email: | mchorost@nyp.org |
| Phone: | 718-670-1185 |
Cognitive Changes After Surgery in the Elderly: Does Minimally Invasive Surgery Influence the Incidence of Postoperative Cognitive Changes Compared to Open Colon Surgery?
A study will be conducted to determine if there is any cognitive benefit in elderly patients
having open versus minimally invasive colon cancer surgery.
having open versus minimally invasive colon cancer surgery.
Cognitive changes in the elderly are common after surgery. It is not known if minimally
invasive or laparoscopic surgery can prevent these changes. A study will be conducted on
patients scheduled to have abdominal surgery. The patients will have cognitive evaluations
before and after surgery. A small amount of blood, about 2 tablespoons, will be collected no
more than 5 times in 6 months. The results will be analyzed to determine if there are
changes between those having open surgery versus patients having laparoscopic or minimally
invasive surgery, and if these changes coincide with cognitive changes.
invasive or laparoscopic surgery can prevent these changes. A study will be conducted on
patients scheduled to have abdominal surgery. The patients will have cognitive evaluations
before and after surgery. A small amount of blood, about 2 tablespoons, will be collected no
more than 5 times in 6 months. The results will be analyzed to determine if there are
changes between those having open surgery versus patients having laparoscopic or minimally
invasive surgery, and if these changes coincide with cognitive changes.
Inclusion Criteria:
- Patients over age 65.0 years and in need of elective colon resection for
adenocarcinoma
Exclusion Criteria:
- Inability to complete preoperative cognitive screening
- Inability to complete study in English since CANTAB is timed and not validated with
interpreters
- Emergency surgery
- Depression or psychiatric comorbidity
- Pre-existing dementia
- Previous cerebrovascular accident or "stroke"
- Previous myocardial infarction
- Cardiac ejection fraction below 55%
- Propranolol, metoprolol or other betablocker use
- Digoxin, procainamide, or amiodarone use
- Calcium channel blocker use
- History of vascular surgery or arterial vascular disease
- History of alcohol dependence
- Lovastatin or other HMG-CoA reductase inhibitor use
- Ace inhibitor use
- Neuroendocrine or catecholamine associated tumors
- Hypertension
- Diabetes
- Benzodiazepine use
- Dimenhydrinate or other medications to treat motion sickness
- Metaclopramide use
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