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Flashcards in General Topics Deck (284)
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1

What are the consequences of air embolism

>50 cc of air causes intensive pulmonary artery vasoconstriction, pulmonary edema, and cor pulmonale. >200 cc of air is fatal.

2

What is the incidence of permanent hypoparathyroidism after total thyroidectomy

1 - 5%.

3

What is the incidence of permanent recurrent laryngeal nerve injury after total thyroidectomy

1 -4%.

4

What is the fistula rate following free jejunal transfer (non-irradiated patients)

10- 20%.

5

What % of laryngectomy patients who fail voice restoration following tracheoesophageal puncture (TEP) suffer from cricopharyngeal spasm

12%.

6

What is the incidence of SNHL after radiation therapy for nasopharyngeal cancer

14%.

7

What is the fistula rate in patients who have had prior irradiation requiring total laryngectomy and partial pharyngectomy

15 - 20%.

8

What is the incidence of tracheoinnominate fistula after tracheostomy

2%.

9

What is the most effective duration for perioperative antibiotic administration

24 hours.

10

What % of patients with tracheoinnominate fistulae survive

25%.

11

What is the incidence of significant SNHL after revision stapedotomy

3 - 30°/o (up to 14% profound).

12

What is the most common complication from microsurgical reconstruction

36% suffer medical complications (pulmonary problems, prolonged ventilatory support, acute ethanol withdrawal).

13

What is the recurrence rate following excision of a TGDC without removal of the midportion of the hyoid and the ductal remnant

38%.

14

What is the perioperative mortality rate of gastric pull-up

5- 20%.

15

What is the rate of major complications after gastric pull-up

50%.

16

What % of all instances of tracheal bleeding developing 48 hours or longer after surgery are caused by tracheoinnominate fistulae

50%.

17

What is the incidence of clinically significant pneumocephalus after anterior craniofacial surgery

512%.

18

What is incidence of persistent diplopia after orbital reconstruction

7%.

19

What is the incidence of complications after PEG

9-15%.

20

What are the most common complications of lateral tympanoplasty

Anterior blunting, lateralization, epithelial pearls, canal stenosis.

21

What is the management of injury to the sigmoid sinus during mastoidectomy

Apply gentle pressure, place a Surgicel or Gelfoam patch, and continue with surgery.

22

Where do strictures most often occur after free jejunal transfer

At the inferior anastomosis between the jejunum and esophagus.

23

Where do fistulas most often occur after free jejunal transfer

At the superior anastomosis between the jejunum and pharynx.

24

What are the signs of air embolism

Audible sucking sound in the wound, machine-like cardiac murmur, dysrhythmias, sudden systemic hypotension, decreased end expiratory C02, increased CVP.

25

What are the most common complications of pharyngeal flap surgery

Bleeding, airway obstruction, obstructive sleep apnea.

26

Which patients are at a higher risk of pneumothorax after tracheostomy

Children.

27

What is the best test to differentiate between cricopharyngeal spasm and stricture in patients who fail voice restoration following TEP

Contrast videotluoroscopy.

28

Which complication is most likely to be avoided with endoscopic diverticulectomy versus open diverticulectomy

Damage to the recurrent laryngeal nerve.

29

What is the treatment of pneumocephalus

Emergent drainage with needle aspiration, airway diversion (i.e. tracheostomy), nasal repacking.

30

What is the most common complication after orbital reconstruction

Enophthalmos.