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Rungsima Wanitphakdeedecha, MD, MA, MSc Department of Dermatology
Faculty of Medicine Siriraj Hospital, Mahidol University Bangkok, THAILAND
The efficacy of the treatment of abdominal cellulite and skin
tightening with a Venus Freeze (MP)2-A pilot study.
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LOGO Cellulite
v An architectural disorder of adipose tissue
v Characterized by the
padded and nodular appearance of skin
v Cellulite-prone areas
§ Posterolateral thigh § Pelvic region § Abdomen
Skin Res Technol 2002;8:118-24.
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LOGO Pathophysiology of cellulite
v Weakened connective tissues
v Low metabolic rate of adipocytes
v Deterioration of the dermal vasculature § excessive fluid retention § vascular compression and hypoxia
J Am Acad Dermatol. 2010; 62(3): 361-70; quiz 371-2.
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LOGO Treatments of cellulite
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LOGO Background
v The Venus Freeze® (MP2) combines Multi-polar radiofrequency current and Pulsed Magnetic Fields in synergy.
v Multi-polar radiofrequency § 8 electrodes § Raise the temperature of treatment
area quickly and homogenously
v Pulsed Magnetic Field § Stimulate molecular and cellular
activities and reactions § Increase fibroblast derived collagen
production J Med Invest. 2008;55:267-78.
Biochem Biophys Acta. 1985 Jan 28;838:98-105. FASEB J 2004; 18:1231-3.
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LOGO Objective
v To determine the efficacy of a Venus Freeze (MP2) in treatment of abdominal cellulite and skin tightening
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LOGO Subjects
v 25 subjects
v Inclusion criteria § Females with abdominal cellulite grade II-III § Age 18-65 years old § Never received any treatments
v Exclusion criteria § Pregnancy and lactation § Patients with pace maker or implant § Any skin lesions in the treatment area § Receive oral isotretinoin within 6 months
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LOGO Methods
v 8 weekly treatments
v 30 minute for each treatment sessions
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LOGO Evaluations (baseline, 1-, 4-, and 12-week after treatment)
v Objective § Body weight and abdominal circumference at
umbilical level § Subcutaneous tissue thickness by ultrasound
at baseline and 1-week after treatment
v Subjective § Physician assessment with standardized
photographs § Patient satisfaction rating
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LOGO
RESULTS
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LOGO Results
v All subjects finished 8 treatments 3-month follow up visit.
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LOGO Demographic data
v Mean(SD) age: 37.56(6.8) years old
v BMI: 19.5-34.4
v Fitzpatrick skin type § III : 3(12%) § IV : 22(88%)
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LOGO Treatment data
v All patients experienced post operative erythema. § Mild: 3(12%) § Moderate: 22(88%)
v No immediate post operative complication was found.
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LOGO Body weight
57.5 57.4 57.2 57.3 57.3 57.4 57.2 57.5
56.6 56.7 57.1
55.0
56.0
57.0
58.0
59.0
60.0
Tx1 Tx2 Tx3 Tx4 Tx5 Tx6 Tx7 Tx8 FU1 FU2 FU3
Wt.(Kg) P=0.44
Repeated measure ANOVA
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LOGO Body weight Body weight (kg)
Mean (SD) % cumulative weight reduction
Tx.1 57.51 (6.67)
Tx.2 57.38 (6.46) 0.18 (1.10)
Tx.3 57.22 (6.60) 0.49 (1.45)
Tx.4 57.32 (6.62) 0.31 (1.24)
Tx.5 57.32 (6.60) 0.33 (1.44)
Tx.6 57.38 (6.60) 0.22 (1.38)
Tx.7 57.23 (6.56) 0.45 (1.69)
Tx.8 57.48 (6.66) 0.46 (1.90)
FU1 56.64 (6.39) 0.79 (2.22)
FU2 56.73 (6.26) 0.62 (1.76)
FU3 57.11 (6.68) 0.69 (2.30)
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LOGO Abdominal circumference
83.9
82.7 82.9 82.9 82.9 82.6 82.4
82.8
81.5
82.1 82.0 81.5 81.5 81.7
82.0 82.0 82.0 81.7
82.4
80 80.5
81 81.5
82 82.5
83 83.5
84 84.5
Tx1 Tx2 Tx3 Tx4 Tx5 Tx6 Tx7 Tx8 FU1 FU2 FU3
before after
Paired samples t-test
P<0.001(at least)
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LOGO Abdominal circumference
Abdominal circumference (cm.) Mean (SD) % cumulative
circumferential reduction
Tx.1 83.88 (6.15)
Tx.2 82.72 (5.84) 1.35 (1.75)
Tx.3 82.92 (5.72) 1.09 (1.93)
Tx.4 82.92 (5.65) 1.08 (2.41)
Tx.5 82.92 (5.89) 1.10 (2.13)
Tx.6 82.60 (6.04) 1.50 (2.15)
Tx.7 82.44 (5.99) 1.69 (2.17)
Tx.8 82.80 (5.81) 1.23 (2.56)
FU1 81.48 (5.87) 2.82 (2.42)
FU2 82.12 (6.17) 2.08 (2.63)
FU3 81.96 (6.35) 2.27 (2.97)
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LOGO
ULTRASONOLOGIC EVALUATION
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LOGO Axial and sagittal plane
Axial Sagittal
cellulite
fat
cellulite
fat
muscle muscle
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LOGO Patient no. 22
PreTx1 1 week FU
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LOGO
PreTx1 1 week FU
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LOGO Patient no. 22: Axial plane
PreTx1 1 week FU
: cellulite 0.870 0.621 : fat 0.936 0.739 : total subcutaneous 1.810 1.410 (cm)
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LOGO Patient no. 22: Sagittal plane
PreTx1 1 week FU
: cellulite 1.010 0.857 : fat 1.040 0.779 : total subcutaneous 2.060 1.640 (cm)
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LOGO Cellulite thickness (Axial plane)
PreTx1 (cm)
p=<0.001
Paired samples t-test FU 1 week (cm)
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LOGO Fat thickness (Axial plane)
Paired samples t-test
PreTx1
p=0.146
PreTx1 (cm)
FU 1 week (cm)
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LOGO Total subcutaneous thickness (Axial plane)
Paired samples t-test
PreTx1
p=<0.001
PreTx1 (cm)
FU 1 week (cm)
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LOGO Cellulite thickness (sagittal plane)
Paired samples t-test
PreTx1
p=<0.001
PreTx1 (cm)
FU 1 week (cm)
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LOGO Fat thickness (sagittal plane)
Paired samples t-test
PreTx1
p=0.005
PreTx1 (cm)
FU 1 week (cm)
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LOGO Total subcutaneous thickness (sagittal plane)
Paired samples t-test
PreTx1
FU 1 week (cm)
p=<0.001
PreTx1 (cm)
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LOGO
QUARTILE EVALUATION
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LOGO No improvement
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LOGO
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LOGO Slight improvement (1-25%)
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LOGO
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LOGO Moderate improvement (26-50%)
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LOGO
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LOGO Good improvement (51-75%)
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LOGO
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LOGO Improvement after 3 follow-ups
0
2
4
6
8
10
12
FU1wk FU4wks FU12wks
patients
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LOGO Improvement sustainability after three follow-ups: BMI
0
10
20
30
40
50
60
70
80
BMI<23 BMI≥23
patients
72.2 %
27.8 %
P=0.021
Fisher’s exact test
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LOGO Improvement sustainability after three follow-ups: baseline abdominal circumference
Fisher’s exact test
Improvement after three follow ups
Baseline abdominal circumference
(cm)
Mean SD With improvement
(n=18) 81.78 4.9
Without improvement (n=7)
87.95 7.7
P=0.025
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LOGO
§ Ultrasonographic evaluation shows significant decreases of - cellulite thickness (both axial and sagittal plane) - fat thickness (sagittal plane)
- total subcutaneous thickness (both axial and sagittal plane)
Result after 3 follow-up visits
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LOGO
Result after 3 follow-up visits
§ In the group of BMI<23, there is significant higher percentage of patients who sustained improvement (p=0.021)
§ The group of sustained improvement has
significant lessor baseline abdominal circumference (p=0.025)
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LOGO
§ Age, skin type, degree of erythema reaction and power used in a procedure display no significant correlation with improvement of abdominal cellulite and tightening.
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LOGO
§ Multi-polar RF with pulsed electromagnetic field demonstrated the efficacy in abdominal cellulite and fat thickness reduction.
§ Patients with BMI < 23 and lessor baseline abdominal circumference tended to have sustainable abdominal cellulite and fat reduction.
Conclusions
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