Surgical Procedures Overview




© Springer International Publishing Switzerland 2015
Molly Blackley Jackson, Somnath Mookherjee and Nason P. Hamlin (eds.)The Perioperative Medicine Consult Handbook10.1007/978-3-319-09366-6_48


48. Surgical Procedures Overview



Molly Blackley Jackson , Elizabeth Kaplan1, Kara J. Mitchell1 and Christina Ryan1, 2


(1)
Division of General Internal Medicine, Department of Medicine, University of Washington, Seattle, WA, USA

(2)
Department of Neurological Surgery, University of Washington, Seattle, WA, USA

 



 

Molly Blackley Jackson




Background


The following sections describe typical, uncomplicated postoperative courses for a variety of surgeries. The details are presented from a medical, rather than a surgical, point of view. Our goal is to give the internist a general sense of the typical postoperative course and to highlight surgical issues that may impact other medical diagnoses and treatments. Every postoperative course is unique, however, and there is no substitute for communicating with an individual patient’s surgical team.


Orthopedic Surgery



Total Knee Arthroplasty


2 h general anesthesia (GA) or regional/EBL: Less than 100 mL during procedure but can be quite high (500–1,500 mL) over first post-op day into drains (or into the knee, if no drains).



  • POD 0: IVF, diet advanced. PCA and/or regional anesthesia (femoral block or catheter) and Foley. Usually able to restart PO meds.


  • POD 1: Diet advanced if not yet done. Stop IV fluids if doing well with oral intake. Knee range of motion emphasized. Out of bed and walking with PT. Foley out. Transition from PCA to PO pain meds. VTE prophylaxis.


  • POD 2–3: D/C to home. Extended VTE prophylaxis on discharge.


Tips



  • Minimally invasive total knee arthroplasty (TKA) (MIS or quad sparing) may discharge earlier.


  • Continuous passive motion (CPM) machine is sometimes used.


  • Most primary (and some revision) TKAs are weight bearing as tolerated (WBAT).


  • Common issues to TKAs and total hip arthroplasties (THAs): See below.


Total Hip Arthroplasty


2 h/GA or regional/EBL 300 mL (varies).



  • POD 0: IVF, diet advanced. PCA and Foley. Usually able to restart PO meds.


  • POD 1: Diet advanced if not yet done. Stop IV fluids if doing well with oral intake. Remove drain (if used) and Foley catheter if possible. Consider transition to PO pain meds. VTE prophylaxis.


  • POD 2–3: Stop PCA, change to PO pain meds if not already done. Extended VTE prophylaxis.


Tips



  • More blood loss may occur postoperatively than intraoperatively.


  • Patients will be taught “hip precautions”—avoidance of flexion/rotation, avoidance of deep flexion, and others—to minimize the likelihood of dislocation of the hip prosthesis.


  • Patients who have undergone minimally invasive approach may go home on POD 1–2.


  • Most primary (first-time) THAs are WBAT, but many revision THAs will be partial or protected weight bearing.


Common Issues to TKAs and THAs



  • Both depression and use of narcotics prior to joint replacement are associated with clinical dissatisfaction after surgery. Consider minimizing narcotics to lowest tolerable dose in advance of elective surgery and working to assure depression is reasonably controlled.


  • Patients with comorbidities, complications, or persistent drainage may have longer hospital courses.


  • Revisions typically are more complex, take longer, and have more intraoperative blood loss.


  • Hypotension is common on the night of surgery (POD 0), especially if insufficient volume is given intraoperatively or if indwelling epidural catheters are used; IV fluid boluses in appropriate patients typically support patients through this. For this reason, it is particularly important to write holding parameters for antihypertensive medications.


  • Avoid 1/2 normal saline for IVF maintenance immediately postoperatively, which may contribute to hyponatremia in a patient who is slightly under-resuscitated; rather, normal saline or Lactated Ringers are appropriate.


  • Commonly used drains include hemovac (round cylinder, uses springs to provide suction) and autovac (hemovac autotransfusion system—filters and reinfuses drained blood).


  • Prophylactic antibiotics should be discontinued by 24 h postoperatively, unless otherwise indicated.


  • Some centers use multimodal analgesic approaches (including long-acting oral analgesics, NSAIDs, and prophylactic antiemetics); use caution when introducing new medications, especially long-acting narcotics, in narcotic-naïve and older patients.


  • Deep vein thrombosis (DVT) prophylaxis is typically the surgeon’s choice, though good to engage in conversation with surgeons if the patient’s risk for DVT deviates from the norm. Know that there are differences between the American Academy of Orthopedic Surgeons (AAOS) and American College of Chest Physicians (ACCP) guidelines. Common agents are low-molecular-weight heparins, warfarin, and aspirin (in addition to TEDs and SCDs).


  • Be aware of hip precautions when examining patients—they may be prohibited from crossing legs initially. Check with the orthopedic surgeon if you need to move the patient for an examination.


Hip Fracture Repair


1–3 h/GA or regional/EBL 300 mL.

Tips



  • There are various options for operative repair, including intramedullary nail, dynamic hip screw, and hemi- or total arthroplasty.


  • Preoperative evaluation should include cardiovascular risk stratification, assessment for the presence of medical factors contributing to fracture (e.g., seizure or syncope), and recommendations for perioperative medication management.


  • Surgery should not be delayed for minor medical conditions (e.g., poorly controlled hypertension without hypertensive urgency or emergency).


  • If surgery is to be delayed, VTE prophylaxis should be encouraged, as there is risk of VTE from the fracture itself even without surgery.


Total Shoulder Arthroplasty


3 h/GA (occasionally regional), EBL < 500 mL.



  • POD 0: Advance diet. Stop IV fluids if doing well with oral intake. PCA for initial pain control, with transition to oral medications the evening of surgery. Continuous passive motion (CPM) machine commonly used.


  • POD 1: Drain out. Continued physical therapy, CPM machine.


  • POD 2: Discharge to home.


Tips



  • Pharmacologic VTE prophylaxis is not used if patients are ambulating.


  • Postoperative bleeding/hemarthrosis is not uncommon after total shoulder arthroplasty (TSA). In patients who are on therapeutic anticoagulation (for atrial fibrillation, heart valve, history of VTE, others), work closely with the patient’s surgeon and primary cardiologist (if applicable) to determine the best time to resume therapeutic anticoagulation. Ideally, avoid anticoagulation in the first several days postoperatively unless the risk of clot is exceedingly high (e.g., mitral valve prosthesis).


  • If a scalene block is used, adverse effects include hypotension, bradycardia, Horner’s syndrome, and phrenic nerve involvement, causing diaphragmatic paralysis and sudden onset of pain late in the night or early morning as block wears off.


Major Spine Surgery


10+ h/GA/EBL 3,000+ mL.



  • POD 0: ICU care until stabilized. Remain intubated for airway protection and pain control. Often require additional transfusions.


  • POD 1–2: Extubate when stable; transfer to floor.


  • POD 3–7: VTE prophylaxis when possible; mobilization using brace, drain care.


Tips



  • These are high-risk operations due to their blood loss and duration.


  • EBL can reach as much as 10 L.


  • Often operations are accomplished in 2–3 stages.


  • Patients are at risk for multiple complications including venous thromboembolic events (VTE), myocardial infarction, pneumonia, disseminated intravascular coagulation, dilutional coagulopathy, posterior ischemic optic neuropathy (blindness—rare, but devastating), dural leak, cerebrospinal fluid leak (may be difficult to detect), hematoma, secondary meningitis (can be subtle—may present with confusion, low-grade fever, headache), facial/airway edema from prone position, and ileus.


  • Occasionally patients receive pulse-dose steroids.


  • Rehab/skilled nursing facility is a common disposition.


  • Spine precautions—patients commonly require a brace.


Other Spine Surgery


Lumbar spine decompressions/fusions are of intermediate risk, typically involve a 3–4-day hospital stay, and patients are admitted directly to the floor.



  • C-spine decompressions often have a shorter stay, e.g., 24–48 h.


  • Microdecompressions are typically limited-stay procedures.


Orthopedic Tumor Surgery


4+ h/GA/EBL highly variable.

Complex and varied. Range from peripheral tumors to combined procedures with general surgery and urology in the pelvic and abdominal cavity. Many have long duration, high EBL, and long length of stay, similar to major spine operations.

Tips



  • Generally intermediate-risk operations, but can be of high risk depending on duration and blood loss.


  • Tumors are often highly vascular, contributing to higher EBLs and drain output.


  • Sudden increase in drain output after pelvic surgery may be a sign of ureter disruption.


  • Surgery service may be reluctant to initiate heparin-based VTE prophylaxis due to wound drainage—discuss with primary team.


General Surgery


For bariatric procedures, see also Chap. 38.


Gastric Bypass, Laparoscopic


2.5–3.5 h/GA/EBL 50–200 mL.



  • POD 0: ICU or step-down unit for patients with OSA.


  • POD 1: Start bariatric clear liquid diet and ADAT to full liquids/pureed. Start oral medications (crushed/liquid only for 2 weeks). Transfer to floor (if needed ICU post-op). Urinary catheter removed.


  • POD 2: PT/OT clearance, registered dietician (RD) teaching. Discharge home.


Gastric Bypass, Open


2.5–3.5 h/GA/EBL 100–400 mL (varies).
Oct 6, 2016 | Posted by in RESPIRATORY | Comments Off on Surgical Procedures Overview

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