Pelvic inflammatory disease complications

Pelvic inflammatory disease complications

Pelvic inflammatory disease complications

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🦠 Pathophysiology - Infection's Upward Spiral

  • Initiating Event: Ascending infection from the cervix/vagina, typically post-menses when the cervical mucus barrier is thin.
  • Primary Pathogens: Neisseria gonorrhoeae & Chlamydia trachomatis disrupt the endocervical barrier, facilitating the ascent of polymicrobial vaginal flora.
  • Inflammatory Cascade: Leads to mucosal damage, edema, and destruction of ciliated epithelial cells in the fallopian tubes, impairing ovum transport.

Fitz-Hugh-Curtis Syndrome: Perihepatic inflammation causing "violin-string" adhesions between the liver capsule and peritoneum. Presents with RUQ pain, often pleuritic, with normal LFTs.

⛓️ Complications - PID's Lasting Legacy

PID's inflammatory cascade leads to significant long-term sequelae, primarily from scarring and adhesions in the upper genital tract.

  • Infertility: Tubal scarring, hydrosalpinx, and occlusion. Risk increases with each episode.
  • Ectopic Pregnancy: Risk increases 6-10x due to damaged ciliary function and tubal obstruction.
  • Chronic Pelvic Pain: Common sequela (>18% of cases) from pelvic adhesions.
  • Tubo-ovarian Abscess (TOA): Acute, severe complication. Complex adnexal mass with fever/leukocytosis. Requires drainage & broad-spectrum IV antibiotics.
  • Fitz-Hugh-Curtis Syndrome: Perihepatitis. "Violin-string" adhesions between liver capsule and peritoneum. Presents with RUQ pain.

⭐ The risk of infertility is ~15% after one episode of PID, ~35% after two, and ~75% after three or more episodes.

Fitz-Hugh-Curtis syndrome adhesions

🔬 Diagnosis - Unmasking the Damage

  • Primary Imaging Modality: Transvaginal Ultrasound (TVUS) is the first-line test for suspected PID complications.
  • Specific Complication Findings:
    • Tubo-ovarian Abscess (TOA):
      • TVUS: Complex, multiloculated adnexal mass with thick walls; tube and ovary are indistinguishable.
      • CT: Used for suspected rupture or to rule out GI pathology.
    • Pyosalpinx/Hydrosalpinx:
      • TVUS: Dilated, sausage-shaped, fluid-filled fallopian tube.
      • 💡 "Cogwheel sign" indicates thickened endosalpingeal folds in pyosalpinx.
    • Fitz-Hugh-Curtis Syndrome:
      • Laparoscopy (gold standard): "Violin-string" adhesions between the liver capsule and peritoneum.

Transvaginal US: Right tubo-ovarian abscess

⭐ Laparoscopy is the ultimate gold standard for diagnosing PID complications, allowing direct visualization and simultaneous therapeutic intervention (e.g., abscess drainage, adhesiolysis).

🧹 Management - The Aftermath Cleanup

  • Tubo-ovarian Abscess (TOA):
    • Initial: Hospitalization + IV broad-spectrum antibiotics (e.g., Cefotetan/Cefoxitin + Doxycycline; or Clindamycin + Gentamicin).
    • Failure to improve in 48-72 hrs or abscess >7-9 cm warrants drainage.
    • Drainage options: Percutaneous (IR-guided) or surgical (laparoscopy).
  • Fitz-Hugh-Curtis Syndrome (Perihepatitis):
    • Inflammation of liver capsule → "violin-string" adhesions.
    • Treat underlying PID. Laparoscopic lysis of adhesions for persistent pain. Fitz-Hugh-Curtis syndrome adhesions

⭐ Fitz-Hugh-Curtis syndrome can present with acute RUQ pain, mimicking cholecystitis, but typically with normal LFTs and gallbladder ultrasound.

  • Chronic Sequelae:
    • ↑ Risk of infertility (tubal factor), ectopic pregnancy, and chronic pelvic pain.

⚡ Biggest Takeaways

  • Tubo-ovarian abscess (TOA) is a severe complication presenting as a complex adnexal mass; requires IV antibiotics and possible drainage.
  • Infertility and increased risk of ectopic pregnancy are major long-term sequelae from tubal scarring and adhesions.
  • Fitz-Hugh-Curtis syndrome (perihepatitis) causes RUQ pain from "violin-string" adhesions on the liver capsule.
  • Chronic pelvic pain is a common, debilitating outcome resulting from pelvic adhesions.
  • Hydrosalpinx (fluid-filled, blocked fallopian tube) is another significant cause of infertility.

Practice Questions: Pelvic inflammatory disease complications

Test your understanding with these related questions

A 27-year-old nulligravid woman comes to the physician for evaluation of fertility. She has been unable to conceive for one year despite regular intercourse with her husband 1–2 times per week. Recent analysis of her husband's semen showed a normal sperm count. Two years ago, she had an episode of a febrile illness with lower abdominal pain, which resolved without treatment. Menarche was at age 12 and menses occur at regular 28-day intervals and last 4 to 5 days. Before her marriage, she was sexually active with 4 male partners and used a combined oral contraceptive pill with estrogen and progesterone consistently, as well as barrier protection inconsistently. One year ago, she stopped using the oral contraceptive pill in order to be able to conceive. She is 165 cm (5 ft 5 in) tall and weighs 84 kg (185 lb); BMI is 30.8 kg/m2. Physical examination shows no abnormalities. Which of the following is the most likely cause of this patient's infertility?

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Flashcards: Pelvic inflammatory disease complications

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Appendicitis may lead to rupture, resulting in peritonitis with guarding and _____ on physical exam

TAP TO REVEAL ANSWER

Appendicitis may lead to rupture, resulting in peritonitis with guarding and _____ on physical exam

rebound tenderness

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