Hypovolemia Clinical Trial
Official title:
Spectral Analysis of Central Venous Pressure Waveform in Patients Undergoing Donor Hepatectomy
Verified date | December 2023 |
Source | Daegu Catholic University Medical Center |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Observational |
The use of central venous pressure has been abandoned for the assessment of intravascular volume status. The dynamic fluctuation of central venous pressure according to heart rate is quantitatively measured by spectral analysis of the central venous pressure waveform. Its clinical utility in the assessment of intravascular volume status is investigated.
Status | Completed |
Enrollment | 60 |
Est. completion date | November 29, 2023 |
Est. primary completion date | November 29, 2023 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 20 Years to 60 Years |
Eligibility | Inclusion Criteria: - American Society of Anesthesiologists physical status 1 - Scheduled for donor hepatectomy under general anesthesia Exclusion Criteria: - Arrhythmia - Valvular heart disease - Coronary artery disease - Cerebrovascular disease - Hypertension - Diabetes mellitus - Renal insufficiency - Pulmonary problems - Any type of liver disease - Body mass index greater than 35 kg/m2 - Human immunodeficiency virus infection - Psychosocial problems - Electrolyte imbalance - Reoperation |
Country | Name | City | State |
---|---|---|---|
Korea, Republic of | Daegu Catholic University Medical Center | Daegu |
Lead Sponsor | Collaborator |
---|---|
JongHae Kim |
Korea, Republic of,
Alian AA, Galante NJ, Stachenfeld NS, Silverman DG, Shelley KH. Impact of lower body negative pressure induced hypovolemia on peripheral venous pressure waveform parameters in healthy volunteers. Physiol Meas. 2014 Jul;35(7):1509-20. doi: 10.1088/0967-3334/35/7/1509. Epub 2014 Jun 5. — View Citation
Hocking KM, Alvis BD, Baudenbacher F, Boyer R, Brophy CM, Beer I, Eagle S. Peripheral i.v. analysis (PIVA) of venous waveforms for volume assessment in patients undergoing haemodialysis. Br J Anaesth. 2017 Dec 1;119(6):1135-1140. doi: 10.1093/bja/aex271. — View Citation
Hocking KM, Sileshi B, Baudenbacher FJ, Boyer RB, Kohorst KL, Brophy CM, Eagle SS. Peripheral Venous Waveform Analysis for Detecting Hemorrhage and Iatrogenic Volume Overload in a Porcine Model. Shock. 2016 Oct;46(4):447-52. doi: 10.1097/SHK.0000000000000615. — View Citation
Sileshi B, Hocking KM, Boyer RB, Baudenbacher FJ, Kohurst KL, Brophy CM, Eagle S. Peripheral venous waveform analysis for detecting early hemorrhage: a pilot study. Intensive Care Med. 2015 Jun;41(6):1147-8. doi: 10.1007/s00134-015-3787-0. Epub 2015 Apr 11. No abstract available. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Other | Age | Age at the time of surgery | On arrival at the operating room | |
Other | Sex | Biological sex | On arrival at the operating room | |
Other | Height | Measured in cm | The day before surgery | |
Other | Weight | Measured in kg | The day before surgery | |
Other | Aspartate transaminase | Measured in U/L | The day before surgery | |
Other | Alanine transaminase | Measured in U/L | The day before surgery | |
Other | Blood urea nitrogen | Measured in mg/dl | The day before surgery | |
Other | Creatinine | Measured in mg/dl | The day before surgery | |
Other | Serum sodium level | Measured in mmol/L | The day before surgery | |
Other | Serum potassium level | Measured in mmol/L | The day before surgery | |
Other | Serum chloride level | Measured in mmol/L | The day before surgery | |
Other | Graft weight | Measured in gram | At graft procurement | |
Other | Total amount of fluids | The total volume of colloids and crystalloids administered throughout the entire surgery | At the end of surgery | |
Other | Aspartate transaminase | Measured in U/L | 1 hour after surgery | |
Other | Alanine transaminase | Measured in U/L | 1 hour after surgery | |
Other | Blood urea nitrogen | Measured in mg/dl | 1 hour after surgery | |
Other | Creatinine | Measured in mg/dl | 1 hour after surgery | |
Other | Serum sodium level | Measured in mmol/L | 1 hour after surgery | |
Other | Serum potassium level | Measured in mmol/L | 1 hour after surgery | |
Other | Serum chloride | Measured in mmol/L | 1 hour after surgery | |
Primary | Spectral power of central venous pressure corresponding to heart rate during 5 minutes before graft procurement | A band-pass filter (0.15-3 Hz) is applied to the 5 minute-long segment. The 5 minute-long segments are divided into 100 second-long segments overlapping 50% with each adjacent segment. Each segment is submitted to fast Fourier transformation. The spectral powers obtained from the periodograms of each segment are averaged. The integrated area corresponding to heart rate is the spectral power corresponding to heart rate. | During 5 minutes before graft procurement | |
Secondary | Spectral powers of central venous pressure corresponding to respiratory rate and heart rate during 5 minutes before the first dose of furosemide | A band-pass filter (0.15-3 Hz) is applied to the 5 minute-long segment. The 5 minute-long segments are divided into 100 second-long segments overlapping 50% with each adjacent segment. Each segment is submitted to fast Fourier transformation. The spectral powers obtained from the periodograms of each segment are averaged. The integrated areas corresponding to respiratory rate and heart rate are the spectral powers corresponding to respiratory rate and heart rate. | During 5 minutes before the first dose of furosemide | |
Secondary | Spectral powers of central venous pressure corresponding to respiratory rate and heart rate between 30 and 35 minutes after surgical incision | A band-pass filter (0.15-3 Hz) is applied to the 5 minute-long segment. The 5 minute-long segments are divided into 100 second-long segments overlapping 50% with each adjacent segment. Each segment is submitted to fast Fourier transformation. The spectral powers obtained from the periodograms of each segment are averaged. The integrated areas corresponding to respiratory rate and heart rate are the spectral powers corresponding to respiratory rate and heart rate. | Between 30 and 35 minutes after surgical incision | |
Secondary | Spectral power of central venous pressure corresponding to respiratory rate during 5 minutes before graft procurement | A band-pass filter (0.15-3 Hz) is applied to the 5 minute-long segment. The 5 minute-long segments are divided into 100 second-long segments overlapping 50% with each adjacent segment. Each segment is submitted to fast Fourier transformation. The spectral powers obtained from the periodograms of each segment are averaged. The integrated area corresponding to respiratory rate is the spectral power corresponding to respiratory rate. | During 5 minutes before graft procurement | |
Secondary | Spectral powers of central venous pressure corresponding to respiratory rate and heart rate during 5 minutes after administration of 6% hydroxyethyl starch | A band-pass filter (0.15-3 Hz) is applied to the 5 minute-long segment. The 5 minute-long segments are divided into 100 second-long segments overlapping 50% with each adjacent segment. Each segment is submitted to fast Fourier transformation. The spectral powers obtained from the periodograms of each segment are averaged. The integrated areas corresponding to respiratory rate and heart rate are the spectral powers corresponding to respiratory rate and heart rate. | During 5 minutes after administration of 6% hydroxyethyl starch | |
Secondary | Stroke volume variation during 5 minutes before the first dose of furosemide | The median of the values calculated at a 20-second interval | During 5 minutes before the first dose of furosemide | |
Secondary | Stroke volume index during 5 minutes before the first dose of furosemide | The median of the values calculated at a 20-second interval | During 5 minutes before the first dose of furosemide | |
Secondary | Cardiac index during 5 minutes before the first dose of furosemide | The median of the values calculated at a 20-second interval | During 5 minutes before the first dose of furosemide | |
Secondary | Stroke volume variation between 30 and 35 minutes after surgical incision | The median of the values calculated at a 20-second interval | Between 30 and 35 minutes after surgical incision | |
Secondary | Stroke volume index between 30 and 35 minutes after surgical incision | The median of the values calculated at a 20-second interval | Between 30 and 35 minutes after surgical incision | |
Secondary | Cardiac index between 30 and 35 minutes after surgical incision | The median of the values calculated at a 20-second interval | Between 30 and 35 minutes after surgical incision | |
Secondary | Stroke volume variation during 5 minutes before graft procurement | The median of the values calculated at a 20-second interval | During 5 minutes before graft procurement | |
Secondary | Stroke volume index during 5 minutes before graft procurement | The median of the values calculated at a 20-second interval | During 5 minutes before graft procurement | |
Secondary | Cardiac index during 5 minutes before graft procurement | The median of the values calculated at a 20-second interval | During 5 minutes before graft procurement | |
Secondary | Stroke volume variation during 5 minutes after administration of 6% hydroxyethyl starch | The median of the values calculated at a 20-second interval | During 5 minutes after administration of 6% hydroxyethyl starch | |
Secondary | Stroke volume index during 5 minutes after administration of 6% hydroxyethyl starch | The median of the values calculated at a 20-second interval | During 5 minutes after administration of 6% hydroxyethyl starch | |
Secondary | Cardiac index during 5 minutes after administration of 6% hydroxyethyl starch | The median of the values calculated at a 20-second interval | During 5 minutes after administration of 6% hydroxyethyl starch | |
Secondary | Total dose of furosemide | The total dose of furosemide used for the promotion of diuresis | At graft procurement | |
Secondary | Urine output at graft procurement | The total amount of urine output between the placement of urinary catheter and graft procurement | At graft procurement | |
Secondary | Total urine output at the end of surgery | The total amount of urine output at the end of surgery | At the end of surgery | |
Secondary | Intraoperative blood loss | Calculated as blood loss (ml) = [estimated blood volume*(preoperative hematocrit-postoperative hematocrit)]/mean between the 2 hematocrit values, where estimated blood volume (ml) = weight(kg)^0.425*height(cm)^0.725*0.007184*2217+age(years)*1.06 for female and weight(kg)^0.425*height(cm)^0.725*0.007184*3064-825 for male | 1 day after surgery |
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