Lymphangitis

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Lymphangitis
Other namesInflamed lymph vessels [1]
CellulitisJmh649.JPG
Forearm lymphangitis due to cellulitis of the hand
Specialty Angiology   OOjs UI icon edit-ltr-progressive.svg

Lymphangitis is an inflammation or an infection of the lymphatic channels [2] that occurs as a result of infection at a site distal to the channel. It may present as long red streaks spreading away from the site of infection. It is a possible medical emergency as involvement of the lymphatic system allows for an infection to spread rapidly. The most common cause of lymphangitis in humans is bacteria, in which case sepsis and death could result within hours if left untreated. The most commonly involved bacteria include Streptococcus pyogenes (Group A strep) and hemolytic streptococci. In some cases, it can be caused by viruses such as mononucleosis or cytomegalovirus, as well as specific conditions such as tuberculosis or syphilis, and the fungus Sporothrix schenckii . [3] Lymphangitis is sometimes mistakenly called "blood poisoning". In reality, "blood poisoning" is synonymous with sepsis .

Contents

Lymphatic vessels are smaller than capillaries and tiny venules and are ubiquitous in the body. These vessels are fitted with valves to direct flow in only one direction. Fluid diffusing through the thin-walled small capillaries should be collected and the lymphatic system does just that: a fluid rich in protein, minerals, nutrients, and other substances useful for tissue growth. As well as essential nutrients, the lymphatic system can also transport or carry cancer cells, defective or damaged cells, and pathogens such as bacteria and viruses, as well as foreign bodies and organisms. The lymph nodes are found in proximity to unique white blood cells that engulf or metabolize pathogens (bacteria and viruses) and defective or cancerous cells, preventing infections and malignant cancer cells from spreading.

[4] Infection spreads out of the wound site to enter the lymphatic system. The wound may be small or it may be an abscess constantly feeding bacteria into the lymphatic system. After infection, lymph nodes enlarge. Ear, skin, nose, and eye infections can spread into the lymphatic system. Red streaks in the skin along the direction of regional lymph nodes indicate lymphatic involvement. Infection may spread within hours and can cause sepsis and death.

Symptoms and signs

Warm skin over site of infection. [5] The person may also have chills and a high fever - between 38 and 40 degrees Celsius - along with moderate throbbing pain and swelling. The red streaks can be clearly outlined and demarcated or just barely visible, particularly in dark-skinned patients. Malaise, tenderness at the site of infection, skin ulcers (a rare symptom of lymphangitis), rapid pulse, and enlarged, swollen, and tender lymph nodes are also seen. Appetite loss has been documented with the presence of inflammation (inflammation-associated anorexia), [6] but it is unclear whether appetite loss seen in patients with lymphangitis leads to weight loss; in cases that develop after lymphedema—which can be upwards of 8.14% of the time [7] —weight gain has actually been documented. [8]

If these symptoms are absent, it is suggestive of other underlying disorders such as tuberculosis, lymphoma, or Hodgkin's disease. A person with lymphangitis should be hospitalized and closely monitored by medical professionals. In very minor cases, regular application of antibiotic creams and cleanliness of the area can accelerate the healing process with no medical professional intervention or consultation required. [9] When the inferior limbs are affected, the redness of the skin runs over the great saphenous vein location and can be confused for thrombophlebitis.[ citation needed ]

Lymphangitis resulting from bed bug bites Lymphangitis after bed bug bites.jpg
Lymphangitis resulting from bed bug bites

Chronic lymphangitis is a cutaneous condition that is the result of recurrent bouts of acute bacterial lymphangitis. [10] : 261 

Diagnosis

To detect and identify infectious agents such as streptococci and staphylococci bacterial strains blood tests and bacteria cultures can be used. Bacteria culture is suitable for identifying infectious agents in cases of severe lymphangitis that do not respond well to treatment. [ citation needed ] 

Differential Diagnosis

Infectious lymphangitis should be differentiated from other conditions such as superficial thrombophlebitis (swelling is local to the affected vein), cat scratch (swellings feels hard to the touch), acute streptococcal hemolytic gangrene and necrotizing fasciitis (infected area crackles to the touch and the patient looks very ill).[ citation needed ]

Treatment

Both drug and non-drug based treatment options are available to treat with lymphanginitis. The wound should be treated properly, dead tissues should be removed from the wound site, and pus drained. Applying heat to the affected lymph node using hot, moist compresses, or heating pads. Immobilizing and elevating the affected limb whenever it is possible, and administering analgesics to control pain. [ citation needed ]

[11] If a local infection is invasive, immediate antibiotic drug therapy is required. Streptococci strains are the most common infectious agents and respond well to cephalosporins –  cephalexin at a dose of 0.5 mg for between 7 and 10 days – or extended-spectrum penicillin. Methiciline-resistant staphylococcus aureus is common in communities and hence the need to use improved antibiotic drugs such as trimethoprim-sulfamethoxazole for 7 to 10 days. Naficillin, oxacillin, and dicloxacillin are also effective against infections of the lymphatic system.[ citation needed ]

See also

Related Research Articles

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References

  1. ↑ "Lymphangitis : MedlinePlus Medical Encyclopedia". medlineplus.gov. Retrieved 4 June 2019.
  2. ↑ "Lymphangitis" at Dorland's Medical Dictionary
  3. ↑ Sporothrix spp. Archived 2013-04-14 at archive.today Doctor Fungus
  4. ↑ "Medically Sound: Awash with Protein-rich Fluid, the Lymphatic System Invites for a Direct Invasion by Microbes". Medically Sound. 2020-11-02. Retrieved 2020-11-07.
  5. ↑ "Medically Sound: Awash with Protein-rich Fluid, the Lymphatic System Invites for a Direct Invasion by Microbes". Medically Sound. 2020-11-02. Retrieved 2020-11-07.
  6. ↑ Gautron, Laurent; Laye, Sophie (2010). "Neurobiology of inflammation-associated anorexia". Frontiers in Neuroscience. 3: 3. doi: 10.3389/neuro.23.003.2009 . ISSN   1662-453X. PMC   2858622 . PMID   20582290.
  7. ↑ Park, Sae In; Yang, Eun Joo; Kim, Dong Kyu; Jeong, Ho Joong; Kim, Ghi Chan; Sim, Young-Joo (2016-04-25). "Prevalence and Epidemiological Factors Involved in Cellulitis in Korean Patients With Lymphedema". Annals of Rehabilitation Medicine. 40 (2): 326–333. doi:10.5535/arm.2016.40.2.326. ISSN   2234-0645. PMC   4855128 . PMID   27152284.
  8. ↑ Mehrara, Babak J.; Greene, Arin K. (July 2014). "Lymphedema and Obesity: Is There a Link?". Plastic and Reconstructive Surgery. 134 (1): 154e–160e. doi:10.1097/PRS.0000000000000268. ISSN   0032-1052. PMC   4393748 . PMID   25028830.
  9. ↑ Prentice, Arnheim's Principles of Athletic Training, 12th edition, pg. 988.
  10. ↑ James, William D.; Berger, Timothy G.; et al. (2006). Andrews' Diseases of the Skin: clinical Dermatology. Saunders Elsevier. ISBN   0-7216-2921-0.
  11. ↑ "Medically Sound: Awash with Protein-rich Fluid, the Lymphatic System Invites for a Direct Invasion by Microbes". Medically Sound. 2020-11-02. Retrieved 2020-11-07.
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