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Comparison the effect of two different mechanical ventilation modes on tissue oxygenization.
Aim of the study is to evaluate and compare the effects of two different mechanical ventilation modes as Volume Controlled Mechanical Ventilation (VCV) and Pressure Controlled Mechanical Ventilation (PCV) on non invasive tissue oxygenization levels of patients who scheduled for bariatric surgery.
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| Measure | Description | Time Frame |
|---|---|---|
| Oxygenization | Peroperative Non invazive technique of Superficial Tissue Oxygenization | peroperative 0. minute - 15. minute - 30. minute - 45. minute - 60. minute |
| Oxygenization-2 | Post operative Non invazive technique of Superficial Tissue Oxygenization | post operative 1. hour - 4. hour - 8. hour - 12. hour - 24.hour |
| Arterial blood gas analysis | Lactate, Ph, Arterial oxygen pressure, Arterial Carbondioxide pressure, Oxygen Saturation | Peroperative 0. minute - 30. minute - 60. minute |
| Arterial blood gas analysis-2 | Lactate, Ph, Arterial oxygen pressure, Arterial Carbondioxide pressure, Oxygen Saturation | post operative 1.hour - 4. hour - 8. hour - 12. hour - 24.hour |
| Peripheral oxygen saturation | Peripheral Oxygen Saturation (SpO2) | peroperative 0. minute - 15. minute - 30. minute - 45. minute - 60. minute |
| Peripheral oxygen saturation-2 | Peripheral Oxygen Saturation (SpO2) | post operative 1.hour - 4. hour - 8. hour - 12. hour - 24.hour |
| Measure | Description | Time Frame |
|---|---|---|
| Peroperative hemodynamic measurements | Heart rate, Mean Arterial Blood Pressure | peroperative 0. minute - 15. minute - 30. minute - 45. minute - 60. minute |
| Postoperative hemodynamic measurements |
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Inclusion Criteria:
Patients with Body Mass Index 35 - 50 kg/m2 Patients classified as American Society of Anesthesiologist (ASA) 1-2-3 classification Patients elected for Bariatric surgery
Exclusion Criteria:
Patients who wants to reject of study participation Patients who has any surgical complication during the surgery period Patients with decompensated cardiac failure Patients with Moderate or Severe obstructive/restrictive lung disease Patients with Reynaud disease Patients with Buerger phenomena Patients whıo has Intraoperative airway pressure more than 45 cmH2O Patients who had previous thoracic surgery Patients with Negative Modified Allen test
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Study population involves the elective bariatric surgery patients who have body mass index between 35 and 50 kg/m2.
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| ID | Term |
|---|---|
| D000860 | Hypoxia |
| D053120 | Respiratory Aspiration |
| ID | Term |
|---|---|
| D012818 | Signs and Symptoms, Respiratory |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D012120 | Respiration Disorders |
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Heart rate, Mean Arterial Blood Pressure
| post operative 1.hour - 4. hour - 8. hour - 12. hour - 24.hour |
| Carbondioxide | End tidal Carbondioxide measurement | peroperative 15. minute - 30. minute - 45. minute - 60. minute |
| D012140 | Respiratory Tract Diseases |
| D010335 | Pathologic Processes |