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Obstructive Sleep Apnea (OSA) is a common clinical problem with a reported prevalence of 2% to 4% in the general population. The incidence was double on patients who had a diagnosis of OSA going for orthopedics surgery.
Little literature composed mostly of case reports or small retrospective case-control studies exist examining the use of intrathecal opioids on outcomes in OSA patients is inconclusive. The primary objective of this study is to compare the post operative respiratory effect after single dose intrathecal morphine and intrathecal fentanyl on orthopedics patients who suspected or undiagnosed obstructive sleep apnea.
Hypotheses
Undiagnosed OSA patients who received intrathecal morphine are more likely to have respiratory events post-operatively.
This is a prospective, randomized study to compare the post operative respiratory effect after single dose intrathecal morphine (0.1mg) and intrathecal fentanyl (40mcg) on orthopedics patients who suspected or undiagnosed obstructive sleep apnea.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Morphine | Active Comparator | Intrathecal Morphine 0.1mg |
|
| Fentanyl | Active Comparator | Intrathecal Fentanyl 40mcg |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Morphine | Drug | Drug: Morphine Depending on the randomization schedule, 0.1mg of morphine or will be added to the intrathecal mixture. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Respiratory Rate (RR) | The end point of the study is to assess the respiratory rate (RR) within 72 hours post-operatively in both arms of the patients. | 72 hours post operatively |
| Heart Rate (HR) | The end point of the study is to assess the heart rate (HR) within 72 hours post-operatively in both arms of the patients. | 72 hours post-operative |
| Oxygen Desaturation Index (ODI) | The end point of the study is to assess the Oxygen Desaturation Index (ODI) within 72 hours post-operatively in both arms of the patients. | 72 hours post-operative |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Wang Chew Yin | Contact | 60379494422 | 2052 | wangcy1836@gmail.com |
| Name | Affiliation | Role |
|---|---|---|
| Wang Chew Yin | University of Malaya | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University Malaya Medical Centre | Recruiting | Kuala Lumpur | Kuala Lumpur | 50603 | Malaysia |
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| ID | Term |
|---|---|
| D009020 | Morphine |
| D005283 | Fentanyl |
| ID | Term |
|---|---|
| D009022 | Morphine Derivatives |
| D009019 | Morphinans |
| D053610 | Opiate Alkaloids |
| D000470 | Alkaloids |
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| Fentanyl | Drug | Drug: Fentanyl 40mcg Depending on the randomization schedule, 40μg of fentanyl will be added to the intrathecal mixture. |
|
|
| D006571 |
| Heterocyclic Compounds |
| D006572 | Heterocyclic Compounds, Bridged-Ring |
| D006576 | Heterocyclic Compounds, 4 or More Rings |
| D000072471 | Heterocyclic Compounds, Fused-Ring |
| D010616 | Phenanthrenes |
| D011084 | Polycyclic Aromatic Hydrocarbons |
| D011083 | Polycyclic Compounds |
| D010880 | Piperidines |
| D006573 | Heterocyclic Compounds, 1-Ring |