Exam II Anesthesia for Laparoscopic Endoscopic Procedures Flashcards
Advantages of laparoscopic procedures (7)
- less tissue trauma
- reduced postop pain
- shorter hospital stays
- more rapid return to normal activities
- significant cost savings
- less potential for postoperative complications such as development of an ileus
- improved cosmetic results
Indications for laparoscopic procedures are an ever-growing list of procedures including:
- cholecystectomy
- appendectomy
- Fundoplication
- inguinal hernia repair
- GYN: tubal ligation, myomectomy, assisted hysterectomy, oophorectomy, lysis of adhesions, fulgartion of endometriosis, removal of ectopic pregnancies/tubal repair, diagnostic procedures, ovarian cystectomy
- colon resection
- splenectomy
- nephrectomy
- liver biopsy
- diastasis repair
- bariatric surgeries
- undescended testicles
- prostatectomy
- cystectomy
- robotic procedures
Lap absolute contraindications (6)
- bowel obstruction
- ileus
- peritonitis
- intraperitoneal hemorrhage
- diaphragmatic hernia
- severe cardiopulmonary disease (CHF)
Lap relative CIs: (8)
- extremes of weight
- inflammatory bowel disease
- presence of large abdominal masses
- advanced Intra-uterine pregnancy
- increased ICPs
- VP shunts
- coagulopathy
- previous abdominal surgeries with adhesions
Uterus remains in the _____ during the _____ _____ to allow safe insertion of the Veress needle through the _____
Pelvis
First trimester
Umbilicus
The enlarged uterus after the ____ week interferes with _____
23rd
Visualization
Closely monitor _____ in pregnant patients to maintain slightly _____ state in mother
PaCO2
Alkalotic
Place pregnant patient in ____-_____ _____-______ displacement
30-degree
Left-uterine
Limit intraperitoneal pressures in pregnant women to ____ ____
12 mmHg
Monitor fetal ____ ____ throughout with ______ ultrasound
Heart rate
Transvaginal
FOUR potential causes of major physiologic changes during laparoscopy we need to know:
- Creation of the pneumoperitoneum
- Potential for systemic absorption of CO2
- Initial trendelenburg position
- Reverse trendelenburg position
What is a pneumoperitoneum?
Insufflation of the peritoneal cavity with CO2 (air, N2O, helium, and O2)
_____ and _____ caused greater hemodynamic depression with pneumoperitoneum if embolized into venous vasculature and caused death at much smaller volumes
Helium and argon
____ is the safest gas to use with pneumoperitoneum
CO2
Be sure the tank is truly only CO2 bc it can be combined with O2 and still have the same PIN index. If the tank has greater than 7% CO2 it has the same PIN index. Potential for combustion
Characteristics of pneumoperitoneum: doesn’t support ______
Combustion
Characteristics of pneumoperitoneum: Blood solubility enhances ____ _____, decreasing risk of ____ _____
Tissue diffusion
Gas emboli
Characteristics of pneumoperitoneum: More pain due to _______ irritation
Diaphragmatic
Characteristics of pneumoperitoneum: Hyper_____, _____ acidosis, cardiac ______
Hypercarbia
Respiratory acidosis
Cardiac dysrhythmias
Advantage of pneumoperitoneum: separates the ______ _____ from the _____ of the peritoneal cavity to optimize ______ and access
Abdominal wall
Contents
Visualization
Disadvantage of pneumoperitoneum: limits surgeon’s freedom of ______, choice of _____, involves risk of significant complications r/t use of _____
Movement
Instruments
CO2
Procedure for creating a pneumoperitoneum: inject LA into the _____ area
Umbilical
Procedure for creating a pneumoperitoneum: Insert _____ _____ via anesthetized area into peritoneal cavity
Veress needle
Procedure for creating a pneumoperitoneum: Insufflate the cavity with CO2 at a pressure less than ___ ____ (___)
19 mmHg (3L)
Procedure for creating a pneumoperitoneum: Once distended, insufflator placed in _____ mode to maintain pneumoperitoneum at ____ ____
Automatic mode
12 mmHg