Skin abscess: Difference between revisions
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*[[Ultrasound: Soft tissue|Soft tissue ultrasound]] can differentiate between [[abscess]] and cellulitis | *[[Ultrasound: Soft tissue|Soft tissue ultrasound]] can differentiate between [[abscess]] and cellulitis | ||
**Assess for fluid collection and swirl within the collection | **Assess for fluid collection and swirl within the collection | ||
**Recent small studies have shown limited utility to bedside ultrasound in this capacity as it rarely leads to change in management (i.e. when a provider feels there is an abscess present, ultrasound shows an abscess and when there is diagnostic uncertainty the ultrasound usually is unequivocal as well)<ref>Effect of initial bedside ultrasonography on emergency department skin and soft tissue infection management Mower WR, Crisp JG, Krishnadasan A, et al. Ann Emerg Med. 2019;74(3):372-380.</ref> | |||
==Management== | ==Management== | ||
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**Pilonidal abscess | **Pilonidal abscess | ||
**Abscess in an immunocompromised or diabetic patient | **Abscess in an immunocompromised or diabetic patient | ||
*Alternative to packing is loop drainage technique with vessel ties<ref>[https://pedemmorsels.com/incision-loop-drainage-abscess/ Incision and Loop Drainage of Abscess BY SEAN M. FOX Pediatric EM Morsels]</ref>, Penrose Drain, or you can cut the proximal cuff of a sterile glove<ref>[https://sinaiem.org/sterile-glove-used-as-a-drain-for-a-skin-abscess/ Sterile Glove Used As a Drain for a Skin Abscess? SinaiEM]</ref> | |||
**Failure rate of 4.1% for loop vessel technique vs 9.8% for conventional packing. <ref>[http://www.ncbi.nlm.nih.gov/pubmed/28917436 Am J Emerg Med, 2018. Comparison of the loop technique with incision and drainage for soft tissue abscesses: A systematic review and meta-analysis.] </ref> | |||
**Other advantage is don’t have to keep coming back to the ER for painful repacking. | |||
**Home Care (copied from Pediatric EM Morsels)<ref>[https://pedemmorsels.com/incision-loop-drainage-abscess/ Incision and Loop Drainage of Abscess BY SEAN M. FOX Pediatric EM Morsels]</ref> | |||
***Keep area clean. | |||
***Can cover with gauze to absorb the residual drainage. | |||
***Can shower and/or bathe. | |||
**The loop drain can be removed when (copied from Pediatric EM Morsels)<ref>[https://pedemmorsels.com/incision-loop-drainage-abscess/ Incision and Loop Drainage of Abscess BY SEAN M. FOX Pediatric EM Morsels]</ref> | |||
***Drainage has stopped. | |||
***Cellulitis has improved. | |||
***Usually is within 7-10 days. | |||
*[[Antibiotics]] | *[[Antibiotics]] | ||
**Although withholding antibiotics is part of [[Choosing wisely ACEP]], new evidence suggest antibiotic NNT of 14 to prevent 1 treatment failure<ref>Talan DA, et al. Trimethoprim–Sulfamethoxazole versus placebo for uncomplicated skin abscess. NEJM. 2016; 374(9):823-832.</ref> | **Although withholding antibiotics is part of [[Choosing wisely ACEP]], new evidence suggest antibiotic NNT of 14 to prevent 1 treatment failure<ref>Talan DA, et al. Trimethoprim–Sulfamethoxazole versus placebo for uncomplicated skin abscess. NEJM. 2016; 374(9):823-832.</ref> | ||
**[[TMP/SMX]] x 5 days (all abscesses)<ref>[[EBQ:TMP-SMX vs Placebo for Uncomplicated Skin Abscess]]</ref> | **[[TMP/SMX]] DS BID x 5 days (all abscesses)<ref>[[EBQ:TMP-SMX vs Placebo for Uncomplicated Skin Abscess]]</ref> | ||
**Consider more aggressive antibiotic treatment if concomitant [[cellulitis]] | **Consider more aggressive antibiotic treatment if concomitant [[cellulitis]] | ||
Revision as of 08:14, 15 November 2020
Background
Clinical Features
- Tender nodular region with surrounding induration
- Fluctuance
- Surrounding erythema
Differential Diagnosis
- Cyst
- Vascular malformation
Skin and Soft Tissue Infection
- Cellulitis
- Erysipelas
- Lymphangitis
- Folliculitis
- Hidradenitis suppurativa
- Skin abscess
- Necrotizing soft tissue infections
- Mycobacterium marinum
Look-A-Likes
- Sporotrichosis
- Osteomyelitis
- Deep venous thrombosis
- Pyomyositis
- Purple glove syndrome
- Tuberculosis (tuberculous inflammation of the skin)
Evaluation
- Clinical exam: fluctulance +/- erythema
- Soft tissue ultrasound can differentiate between abscess and cellulitis
- Assess for fluid collection and swirl within the collection
- Recent small studies have shown limited utility to bedside ultrasound in this capacity as it rarely leads to change in management (i.e. when a provider feels there is an abscess present, ultrasound shows an abscess and when there is diagnostic uncertainty the ultrasound usually is unequivocal as well)[4]
Management
- Incision and drainage
- Packing
- Abscess >5 cm in diameter
- Pilonidal abscess
- Abscess in an immunocompromised or diabetic patient
- Alternative to packing is loop drainage technique with vessel ties[5], Penrose Drain, or you can cut the proximal cuff of a sterile glove[6]
- Failure rate of 4.1% for loop vessel technique vs 9.8% for conventional packing. [7]
- Other advantage is don’t have to keep coming back to the ER for painful repacking.
- Home Care (copied from Pediatric EM Morsels)[8]
- Keep area clean.
- Can cover with gauze to absorb the residual drainage.
- Can shower and/or bathe.
- The loop drain can be removed when (copied from Pediatric EM Morsels)[9]
- Drainage has stopped.
- Cellulitis has improved.
- Usually is within 7-10 days.
- Antibiotics
- Although withholding antibiotics is part of Choosing wisely ACEP, new evidence suggest antibiotic NNT of 14 to prevent 1 treatment failure[10]
- TMP/SMX DS BID x 5 days (all abscesses)[11]
- Consider more aggressive antibiotic treatment if concomitant cellulitis
Disposition
Admission
- Reserved for significantly ill patients or those requiring surgical intervention
Discharge
- Appropriate for majority of patients
- Follow up in 2 days for wound check
See Also
External Links
- EMNerd Case of the Pragmatic Wound
- Are Antibiotics Back in Favor for Abscesses?
- Sonoguide: Abscess Assessment
References
- ↑ Maligner D et al. The prevalence of community-acquired methicillin-resistant Staphylococcus aureus (CA-MRSA) in skin abscesses presenting to the pediatric emergency department. N C Med J. 2008 Sep-Oct;69(5):351-4.
- ↑ Pickett A et al. Changing incidence of methicillin-resistant staphylococcus aureus skin abscesses in a pediatric emergency department. Pediatr Emerg Care. 2009 Dec;25(12):831-4.
- ↑ Bradley W. Frazee et al. High Prevalence of Methicillin-Resistant Staphylococcus aureus in Emergency Department Skin and Soft Tissue Infections http://dx.doi.org/10.1016/j.annemergmed.2004.10.011
- ↑ Effect of initial bedside ultrasonography on emergency department skin and soft tissue infection management Mower WR, Crisp JG, Krishnadasan A, et al. Ann Emerg Med. 2019;74(3):372-380.
- ↑ Incision and Loop Drainage of Abscess BY SEAN M. FOX Pediatric EM Morsels
- ↑ Sterile Glove Used As a Drain for a Skin Abscess? SinaiEM
- ↑ Am J Emerg Med, 2018. Comparison of the loop technique with incision and drainage for soft tissue abscesses: A systematic review and meta-analysis.
- ↑ Incision and Loop Drainage of Abscess BY SEAN M. FOX Pediatric EM Morsels
- ↑ Incision and Loop Drainage of Abscess BY SEAN M. FOX Pediatric EM Morsels
- ↑ Talan DA, et al. Trimethoprim–Sulfamethoxazole versus placebo for uncomplicated skin abscess. NEJM. 2016; 374(9):823-832.
- ↑ EBQ:TMP-SMX vs Placebo for Uncomplicated Skin Abscess