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Phase 3a - Women's Health > Women's Health : Urogynaecology > Flashcards

Women's Health : Urogynaecology Flashcards

1
Q

What is pelvic organ prolapse?

A

Herniation of one more pelvic organ into the vagina.

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2
Q

What provides Level 1 support in the pelvis?

A

Uterosacral ligaments - extend posteriorly from cervix / upper vagina to the sacral spine.

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3
Q

What structure is involved in Level 2 support?

A

Arcus tendineus fasciae pelvis (ATFP) - runs from ischial spines to pubic tubercle, attaching to sheets of suspensory ‘slings’ of fascial tissue e.g. pubovesicocervical fascia.

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4
Q

What structures are involved in Level 3 support?

A

Perineal body - fibromuscular mass, point of attachment for pelvic muscles. - Pubourethral ligaments. - Pelvic floor - (levator ani and coccygeus muscles).

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5
Q

What is the role of the perineal body?

A

Attachment for pelvic muscles

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6
Q

What are the supporting structures of the pelvic floor?

A

Pubourethral ligaments, pelvic floor muscles (levator ani and coccygeus muscles), uterosacral ligament, and ATFP

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7
Q

What causes uterine prolapse?

A

Uterosacral ligament weakness

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8
Q

What causes cystocele/rectocele?

A

ATFP weakness

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9
Q

What causes urethrocele?

A

Pubourethral ligament weakness -

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10
Q

What is the primary cause of pelvic organ prolapse?

A

Loss of support due to factors like pregnancy, vaginal delivery, and surgery

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11
Q

What is the primary risk factor for pelvic organ prolapse?

A

Vaginal delivery

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12
Q

What are the contributing risk factors for pelvic organ prolapse?

A

Increasing age and high BMI

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13
Q

Why does vaginal delivery lead to pelvic organ prolapse?

A

(risk increased with increasing parity) - damage to nerves, muscles and fascia

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14
Q

Why does increasing age lead to pelvic organ prolapse?

A
  • reduced elasticity of connective tissue
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15
Q

Why does high BMI lead to pelvic organ prolapse?

A
  • raised intra-abdominal pressure
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16
Q

What are the types of pelvic organ prolapse?

A

Uterine, enterocele, cystocele, rectocele, and urethrocele

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17
Q

What is uterine prolapse?

A

descent of cervix +/- uterus into the vagina.

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18
Q

What is urethrocele?

A
  • prolapse of the urethra into anterior vaginal wall
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19
Q

What is cystocele?

A

prolapse of bladder into anterior vaginal wall.

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20
Q

What is rectocele?

A

prolapse of rectum into posterior vaginal wall.

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21
Q

What is enterocele?

A
  • prolapse of the small bowel through the Pouch of Douglas into the posterior vault of the vagina.
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22
Q

Uterine prolapse symptoms?

A

vaginal pressure, dyspareunia, feeling of something descending into the vagina.

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23
Q

Urethrocele symptom?

A

Stress incontinence

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24
Q

Cystocele symptoms?

A

Recurrent UTI, difficulty passing urine

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25
Q

Rectocele symptom?

A

Difficulty defecating

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26
Q

Enterocele symptom?

A

Dragging sensation

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27
Q

Sign of uterine prolapse?

A

Descended cervix/uterus

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28
Q

Sign of urethrocele on exam?

A

Anterior protrusion into vaginal vault

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29
Q

Sign of cystocele on exam?

A

Anterior protrusion into vaginal vault

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30
Q

Sign of rectocele on exam?

A

Posterior protrusion into vaginal vault

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31
Q

Sign of enterocele on exam?

A

Posterior protrusion into vaginal vault

32
Q

How is the condition typically diagnosed?

A

Clinically based on symptoms

33
Q

What is a conservative management option for pelvic issues?

A

○ Pelvic floor exercises. ○ Avoidance of triggers e.g. heavy lifting, straining in constipation. ○ Weight loss, if overweight. ○ Topical oestrogen (counteracts urogenital atrophy - see Menopause). ○ Pessaries

34
Q

What is a surgical option for uterine management?

A
  • options include hysterectomy, sacro-hysteropexy (mesh), Manchester repair
35
Q

What is a surgical option for vaginal vault managment?

A

options include sacrospinous fixation, sacro-colpopexy (mesh)

36
Q

What is a topical treatment for urogenital atrophy?

A

Topical oestrogen

37
Q

What is urinary incontinence?

A

Involuntary passage of urine

38
Q

What is stress incontinence?

A
  • urinary loss during a period of raised intra-abdominal pressure e.g. coughing, sneezing.
39
Q

What characterizes urge incontinence?

A

urinary loss characterised by increased urge to pass urine - associated with detrusor muscle overactivity.

40
Q

What is mixed incontinence?

A

Combination of stress and urge incontinence

41
Q

The physiology of Continence is split into 2 phases, what are they called?

A

Storage and Voiding phases

42
Q

What transmits impulses to the pontine continence centre?

A

Cerebral cortex

43
Q

Which spinal cord segments are involved in the pontine continence centre signals?

A

T10-L2

44
Q

What does the sympathetic hypogastric nerve stimulate?

A

Detrusor relaxation, Internal urethral sphincter contraction

45
Q

Somatic innervation of the ______ also contributes to continence during bladder filling

A

external urethral sphincter

46
Q

_____from the distended bladder ascend via the spinal cord to the pontine micturition centre and the cerebral cortex (conscious urge to pass urine)

A

Afferent signals

47
Q

______________ signals to the detrusor cause it to contract, transmitted via S2-4 pelvic splanchnic nerve.

A

Efferent parasympathetic

48
Q

Inhibition of _________ (due to pontine micturition centre activity) reduces sympathetic storage-promoting activity.

A

Onuf’s nucleus

49
Q

Conscious relaxation of external urethral sphincter via __________ fibres allows passage of urine.

A

somatic pudendal nerve

50
Q

What is the role of the detrusor muscle during voiding?

A

Contracts via parasympathetic signals

51
Q

Which nerves transmit parasympathetic signals to the detrusor?

A

S2-4 pelvic splanchnic nerve

52
Q

What effect does the pontine micturition centre have on Onuf’s nucleus?

A

Inhibits sympathetic activity

53
Q

How is the external urethral sphincter relaxed during voiding?

A

Somatic pudendal nerve fibers

54
Q

Role of Sympathetic Nerves (T10-L2)

A

Sympathetic - T10-L2 hypogastric - detrusor relaxation, IUS closing

55
Q

Role of Parasympathetic Nerves (S2-4)

A

Parasympathetic - S2-4 pelvic splanchnic - detrusor contraction, IUS opening

56
Q

Role of Somatic Afferent Nerves (S2-4)

A

Somatic afferent - S2-4 pudendal - sensation of bladder fullness

57
Q

Role of Somatic Efferent Nerves (S2-3)

A

Somatic efferent - S2-3 pudendal - closes / opens EUS.

58
Q

Continence Mechanism for Intra-abdominal Pressure

A
  1. Reflexive contraction of the pelvic floor muscles elevates the IUS. 2. Augmentation of pelvic floor muscle closure by suspensory ligaments. 3. Urethrovaginal sphincter and compressor urethrae muscle contraction assists with urethral closure.
59
Q

What role do suspensory ligaments play?

A

Augment pelvic floor muscle closure

60
Q

What assists with urethral closure?

A

Urethrovaginal sphincter contraction

61
Q

What increases intra-vesical pressure in stress incontinence?

A

Raised intra-abdominal pressure

62
Q

What leads to leakage in stress incontinence?

A

○ Raised intra-abdominal pressure increases intra-vesical pressure. ○ IVP exceeds resistance of urethral sphincters leading to leakage. ○ This typically occurs due to downward movement of the internal sp

63
Q

What leads to urge incontinence?

A

Mechanism not fully understood - likely a combination of myopathy and neuropathy.

64
Q

What causes urethral hypermobility?

A

Pelvic floor weakness

65
Q

Urge incontinence mechanism?

A

Myopathy, neuropathy

66
Q

Risk factors for incontinence

A
  1. Increasing age 2. High BMI 3. High parity 4. Pelvic organ prolapse
67
Q

What is stress incontinence?

A
  • involuntary passage of urine during activities that raise intra-abdominal pressure (sneezing, coughing etc.)
68
Q

What is urge incontinence?

A
  • involuntary passage of urine with associated urge to pass urine, increased urinary frequency.
69
Q

What is the first line investigation for urinary incontinence?

A

urinalysis to rule out UTI, plus: ○ Bladder diary ○ Symptom questionnaire

70
Q

What is included in the second line investigations?

A

urinary stress testing, e.g. ○ Cough stress test ○ Empty supine stress test

71
Q

What is the first line management for stress incontinence?

A

pelvic floor exercises (8 contractions x3 per day) + lifestyle measures e.g. reducing caffeine, weight loss, moderate fluid intake

72
Q

What is the second line management for stress incontinence?

A

(for some patients) - pseudoephedrine, topical oestrogen

73
Q

What is the third line management for stress incontinence?

A

surgery such as retropubic colposuspension.

74
Q

First Line (urge incontinence)

A

bladder training

75
Q

Second Line (urge incontinence)

A

anticholinergic e.g. oxybutynin, solifenacin

76
Q

Third Line (urge incontinence)

A

mirabegron (beta-3 agonist)

77
Q

Plus (atropic vaginitis)

A

topical oestrogen if atrophic vaginitis present

Phase 3a - Women's Health (21 decks)

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