Calcific rotator cuff tendinitis : 215 percutaneous treatments under sonographic-guidance in 176 outpatients

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06 avril 2002

OVERVIEW

Common painful condition of the shoulder

  • Affecting up to 10% of individuals [22, 23]
  • Asymptomatic calcification in controlateral shoulder : 34 % [1]
  • Usually in women after the 4th decade
  • Deposition of hydroxyapatite crystals
  • Mostly in the supraspinatus tendon
  • All calcifications larger than 1.5 cm produce symptoms at some time [5]
  • Self-healing condition [16] : pain coincide with spontaneous resorption [25]
  • Mean symptoms duration as long as 29 [9] and even 43 months [17]
  • May be resistant to conservative treatment
  • But : responds well to percutaneous needle treatment


TREATMENT

  • Medical treatment
    • None gives uniformly acceptable results
  • Shockwave lithotripsy [15]
    • Improvement in only 30%
  • Pulsed Ultrasound
    • Only short term good results [8]
  • Surgical treatment : open [16], arthroscopy [2, 17,21,24,27]
    • Long period of disability
    • Risk of reflex sympathetic dystrophy
    • Not as primary procedure
  • Percutaneous needle aspiration
  • Minimally invasive, effective therapy [18,20]
  • Blind needle removal aspiration [13,14, 19]
  • Fluoroscopy guidance : good results in 60-70 % [6, 7]
    • few happy customers due to pain [26]
    • 18% failure to identify the deposit [9, 17]
  • Sonographic guidance
    • Less aggressive
    • Not widely used, only few reports :
      • 1995 2 cases , Farin [10]
      • 1995 12 cases, Bradley [3]
      • 1996 62 cases, Farin [12]
      • 2001 30 cases, Aina [1]


ADVANTAGES OF REAL-TIME SONOGRAPHIC GUIDANCE

  • Precise localization of calcification, even tiny
  • Relationship with tendons, bicipital groove, bony structures
  • Most direct way to the target
  • Excellent visualization of the needle tip
  • Precise advancement of the needle into the calcification
  • Minimal damage to tendon
  • Identification of associated conditions : bursitis, tear (rare)
  • No technical failure
  • Non ionizing technique


MATERIAL AND METHOD

  • Period : 6 years, May 1996 to May 2002
  • US devices : Acuson 128 XP 10 and ATL HDI 5000, 7 MHz probe
  • Patients :
 
Nb
%
Mean age
Men
69
39
52.6 y
Women
107
61
50.1 y
Nb of patients
176
100
51.1 y

TECHNIQUE

    • Dorsal decubitus, arm along the body, internal rotation
    • Anesthesia (lidocaïne-adrenaline)
    • Insertion of a 18 Gauge needle attached to the syringe into the calcification
    • Lavage/aspiration with Lidocaïne/ NaCl
    • Infiltration with corticoïd (Diprophos®) in the subacromial bursa


RESULTS

Nb of procedures
Nb
%
One
176
81.9
Two
31
14.1
Three
7
3.3
Four
1
0.5
Total
215
100
Both shoulder
8
4.5
• Complications None
• Procedure Easy and fast (15 min.)
• Successful aspiration 2/3 of cases
• No calcic material aspirated 1/3 of cases
• Excellent clinical improvement > 80% of patients at day 7
• Best response to treatment = successful aspiration
• Successful aspiration = calcification > 1 cm


CONCLUSION

US guidance for percutaneous needle treatment of calcific rotator
cuff tendinitis :

    • Easy and less invasive than fluoroscopic guidance
    • Good results during our six years experience on 215 procedures
    • Should be more widely used.

REFERENCES

  1.  

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