Minimally invasive outpatient management of iliopsoas muscle abscess in complicated spondylodiscitis

Table 1 Patient’s demographics

Patient	Sex	Age in yr	Underlying condition	Site	Position	Size in cm	Procedure time in min	Presenting complaint	Catheter withdrawal in d	Microbiologic cultures
1	Male	76	Renal failure- dialysis	Unilateral	Prone	4.5	15	Back pain	8	Negative
2	Female	69	Renal failure- dialysis	Unilateral	Prone	6.4	15	Back pain, weight loss	10	Negative
3	Male	74	Renal failure- dialysis	Bilateral	Prone	7.5/4.5	25	Back pain	8	Staphylococcus aureus
4	Female	68	Renal failure- dialysis	Unilateral	Prone	4.4	10	Back pain	9	Staphylococcus aureus
5	Female	34	HIV	Bilateral	Prone	5.5/4.3	25	Back pain	8	Staphylococcus aureus
6	Male	35	IV drug user	Unilateral	Supine	8.3	10	Back pain	13	Negative
7	Male	38	Tuberculosis	Unilateral	Prone	7.5	15	Back pain	11	Mycobacterium tuberculosis
8	Female	27	Tuberculosis	Unilateral	Prone	10.4	15	Back pain	14	Mycobacterium tuberculosis

IV: Intravenous.

Table 2 Culture results and antibiotic treatment

Microorganism	n	Antibiotic treatment	Duration
Staphylococcus aureus	3	Rifampicin PO - Vancomycin IV	2 wk
		Rifampicin PO - Linezolid PO	6 wk
Mycobacterium tuberculosis	2	Rifampicin PO - Isoniazid PO - Ethambutol PO	9 mo
Negative cultures, renal impairment patients	2	Vancomycin IV - Ciprofloxacin PO	8 wk
Negative cultures, IV drug user	1	Ciprofloxacin PO - Clindamycin PO	4 wk
		Ciprofloxacin PO - Rifampicin PO	3 wk

IV: Intravenous; PO: By mouth (per os).