Open-access Correlation between pelvic alignment and cellulitis

ABSTRACT

The cellulitis is a disorder of dermal and subcutaneous tissues. It affects 90% of women after puberty. Several predisposing factors interfere with its occurrence such as postural impairments. Photogrammetry has been considered reliable, easy to use, reproducible and with low cost to assess posture and cellulitis. It was evaluated if there is correlation between pelvic alignment and cellulitis in the gluteal region by photogrammetry. This is an observational cross-sectional study with 46 women (18-29 years old, mean age 23 years ± 4.2). Posture was evaluated by the software SAPO and the angle between the right and left anterior superior iliac spineswas calculated. Cellulitis was classified according to Hexsel’s photonumeric scale. Analyses were performed by two independent and blinded evaluators and Pearson correlation tests investigated possible relationships between posture and cellulitis. The average value of the pelvic disalignment angle was 1.70 (+1.46), the mean value of the right gluteus cellulitis was 6.30 (+4.01) and left 6.76 (+3.61). There was no correlation between pelvic alignment and the level of cellulitis in the gluteal region (p = 0.38).

Keywords Posture; Cellulitis

RESUMO

O fibroedema geloide (FEG) é uma desordem dos tecidos dérmico e subcutâneo. Acomete 90% das mulheres após a puberdade. Vários fatores predisponentes interferem na sua ocorrência, entre os quais as alterações posturais. Para avaliação da postura e do FEG, a fotogrametria tem se mostrado um recurso confiável, de fácil aplicação, reprodução e de baixo custo. Avaliou-se se há correlação entre alinhamento pélvico e FEG na região glútea por meio da fotogrametria. Estudo do tipo transversal observacional, com 46 mulheres de 18-29 anos (média 23 anos±4,2 anos). Foi realizada avaliação postural pelo software de avaliação postural (SAPO) e calculado o ângulo entre as espinhas ilíacas anteros superiores direita e esquerda. O FEG foi classificado de acordo com a escala fotonumérica de Hexsel. As análises foram realizadas por dois avaliadores independentes e cegos, e foi utilizado o teste de correlação de Pearson. Obteve-se como resultado o valor médio do ângulo de desalinhamento pélvico de 1,70 (±1,46), o valor médio do FEG no glúteo direito de 6,30 (±4,01) e no esquerdo de 6,76 (±3,61). Não foi observada correlação entre o alinhamento pélvico e o grau de FEG na região glútea (p=0,38).

Descritores Postura; Celulite

RESUMEN

La dermopaniculosis vasculopática (DV) es un trastorno inflamatorio de los tejidos adiposo y subcutáneo. Un 90% de la población femenina presenta este trastorno tras la pubertad. Hay diversos factores que pueden desencadenar su aparición, entre ellos se destacan las alteraciones posturales. Un recurso fiable, de fácil aplicación, reproducción y bajo costo para evaluar la postura y la DV es la fotogrametría. En este estudio se pretende evaluar la presencia de correlación entre la alienación de la pelvis y la DV en la región glútea a través de la fotogrametría. Se trata de estudio de tipo transversal observacional, del cual participaron 46 mujeres de 18 a 29 años (promedio de 23 años ± 4,2 años). Se realizó la evaluación de la postura por intermedio del software de evaluación postural (Sapo) y se calculó el ángulo entre las espinas ilíacas anterosuperiores derecha e izquierda. La DV se clasificó según la escala fotonumérica Hexsel. Los análisis fueron realizados por dos evaluadores independientes y aleatorios, en los cuales se utilizó de la prueba de correlación de Pearson. Como resultado el promedio del valor del ángulo de desalienación de la pelvis fue de 1,70 (±1,46), el promedio del valor de la DV en el glúteo derecho fue de 6,30 (±4,01) y en el izquierdo 6,76 (±3,61). No se observó correlación entre la alienación de la pelvis y el grado de la DV en la región glútea (p=0,38).

Palabras clave Postura; Celulitis

INTRODUCTION

Cellulitis is a dermal and subcutaneous tissue disease that causes lipodystrophic changes with sclerosing response, which result in an unesthetic aspect. Its prevalence is estimated at around 80-90%; it may cause emotional distress and is a frequent complaint of patients1. This process culminates in the accumulation of edema and later fibrotic nodules, which will favor the formation of cutaneous reliefs and possible painful sensation, mainly in the area of the buttocks, thighs and abdomen2), (3.

The emergence of cellulite is characterized by wavy and irregular appearance of the skin, due to the protrusion of fat in the dermo-hypodermic interface4. The female gender presents vertical fascial bands, and it is believed that cellulitis is a result of stretching of these bands, which are genetically determined5. The stretching weakens and thins out the base of the dermal connective tissue, allowing the protrusion of fat in the dermo-hypodermic interface, causing the appearance of wavy and irregular skin6. The herniations of fat in the dermis are a characteristic of female anatomy7. Subcutaneous tissue in men, on the other hand, is characterized by horizontal and diagonal fascial bands, preventing herniation of fat8.

Cellulitis modifies the histological structure of the skin, altering the connective tissue, which results in increased retention of water, sodium and potassium, leading to increased interstitial pressure, compression of veins, lymphatic vessels and nerves, which generates a vicious cycle9.

Among the predisposing or aggravating factors of cellulitis, we can cite: female gender, race (more common in Caucasian), increase of the fat tissue, age, genetic and familial predisposition, psychosomatic factors, pregnancy, intestinal dysfunctions, external compressions, smoking, medications, postural changes, among others5), (8)- (10.

The classification criteria are variables, according to histopathological changes, macroscopic appearance of the skin and its clinical form. All criteria are divided into levels according to the degree of commitment of the analyzed features11), (12.

Several methods to evaluate cellulitis have been studied and described in the literature, but many of these do not apply due to high cost of the equipment. Amid these, photogrammetry is the most commonly used resource, because it is capable of reproduction, precision and low cost13. The photographic record has long been used for documentation and comparison of plastic surgery results, repair surgeries, postural assessments, among others14)- (18.

The postural evaluation software (SAPO) is a computer program for quantitative analysis, developed by a team who attended clinical and methodological issues19. The program requires evaluators’ training and voluntary acceptance to prolonged orthostasis. It is simple and free, generates linear measures, measurement of distances and body angles20.

Despite its easy reproducibility and repeatability, attested by several studies15), (19), (21, there is still a dearth of literature in dermato-functional physical therapy. Some authors11), (14 report difficulty in obtaining photographs of architecture and tonicity of the skin, using resources such as gluteal contraction to assist in the assessment.

Although many authors cite postural changes as a predisposing factor of cellulitis, no studies in the literature have identified and demonstrated such a relationship, thus the need to investigate it. The muscle fascia are different according to the region of the human body, presenting more slender in the abdomen and thicker and with greater amount of dense connective tissue in the glutei and hips22.

Presence of asymmetry of cellulitis in the gluteal region generates the hypothesis that postural changes would asymmetrically exacerbate the grade of cellulitis in the gluteal region, especially related to pelvic alignment. Photogrammetry would be one way of measuring the postural changes for subsequent correlation to cellulitis. Therefore, this study aims to evaluate whether there is correlation between pelvic alignment and cellulitis in the gluteal region.

METHODOLOGY

A cross-sectional observational study with blinding of evaluators. Sample was composed of 46 female students of Universidade Federal do Triângulo Mineiro (UFTM) aged between 18 and 29 years old, 23 years old average (± 4.2 years). Inclusion criteria were: female gender and age (18-29 years). Pregnant women and volunteers who presented postural hypotension would be excluded from the study.

In the evaluation, the volunteers responded to a questionnaire in physical therapy with their personal data (name, age, gender, occupation, telephone), followed by a comprehensive assessment with SAPO. All of them signed an informed consent form. This study was approved by the Research Ethics Committee of UFTM with opinion no. 785382.

Photographic records were performed by a single examiner, previously trained in well-lit environment, with no reflective background. The participants adopted the orthostatic position with bathing suit, tied hair, barefoot and without any kind of accessory. All anatomical points of SAPO protocol were previously palpated for the marking with a dermatograph pencil. Subsequently, styrofoam espheres were fixed with a double-sided adhesive tape on the skin, which was previously cleaned with rubbing alcohol to reduce skin impedance with the adhesive.

Thirty-eight points were marked, with main focus on two: left anterior superior iliac spine and right anterior superior iliac spine, from where the pelvic tilt angle in the frontal plane was obtained (Figure 1). The participants were placed in a previously marked place, with a 3,5 m distance from the camera and 50 cm from the wall. To ensure and secure the distance, between the participant and the wall was used a blue-colored ethyl-vinyl-acetate (EVA) mat, 100 cm wide, 50 cm long and 5 cm thick.

Figure 1
Postural record in anterior view

On the back wall, a black-colored EVA with 1 cm thick, 120 cm wide and 250 cm long was fixed. The camera used was Sony Cybershot 14.1 megapixels with 1536x2048 megapixel resolution, positioned on a 100 cm high tripod and leveled in relation to horizontal and vertical.

In order to prevent compensation and imbalances, ten seconds were marked for taking the pictures and 30 seconds of intervals for changing positions. Photographic records of the gluteal region were performed without and with gluteal contraction (Figure 2), with the machine positioned 100 cm high and 3 m away from the volunteer.

Figure 2
Gluteal region without contraction (A) and with contraction (B).

Evaluation of the cellulitis has been carried out according to the photonumeric scale proposed by Hexsel, Dal’Forno and Hexsel22, which evaluates the severity of cellulitis, on a scale of 1 to 15. It is considered mild from 1 to 5, moderate from 6 to 10 and severe from 11 to 15. This classification does not override the classification of Nürnberger and Müller4, only complements it, subclassifying each grade. This evaluation was carried out by two blinded and independent examiners (experienced and previously trained for use of the scale), by means of photographic records. In case of divergence in the classification, it was remade in the presence of both.

Descriptive analysis was performed from absolute and percent frequencies, and measures of centrality and dispersion. The correlation among variables was checked with the Pearson correlation test and the significance level adopted was 5%.

RESULTS

The classification variables of cellulitis for the gluteus D and E and the pelvic angle in the previous view can be found in Table 1.

Table 1
Variables evaluated

Among 46 volunteers, it is important to note that 20 presented grade I, 12 considered mild and eight moderate, corresponding to 43% of the sample; 25 of them presented grade II, five mild, 11 moderate and nine severe, corresponding to 54% of the sample and one presented grade III, classified as severe, corresponding to 3% of the sample.

It was considered the correlation when there was pelvic misalignment associated with the asymmetry of the cellulitis in the gluteal region, or when there was pelvic alignment without asymmetry of the cellulitis in the gluteal region. It was not considered the correlation when there was pelvic misalignment without asymmetry of cellulitis in the gluteal region, or when there was pelvic alignment with asymmetry of cellulitis in the gluteal region.

The frequency of variables can be observed in Table 2: pelvic alignment and asymmetry of cellulitis.

Table 2
Pelvic alignment x asymmetry of cellulitis

Although there was no correlation between pelvic alignment and cellulitis, large asymmetries of cellulitis were observed in seven volunteers between gluteus D and gluteus E, higher than 3 points in the photonumeric scale. These findings were found only in volunteers who presented pelvic misalignment and asymmetry of cellulitis.

DISCUSSION

The hypothesis initially raised, that asymmetries of severity of cellulitis in the gluteal region could be related to pelvic misalignment, has not been confirmed in this study, which involved young volunteers (average of 23 years old) and the mild grade (grade I) of cellulitis, predominantly. Pelvic misalignment alters the request of muscle fascias of the gluteal region, either by high-side stretching or by low-side compression. However, it is likely that other factors interfere with the local microcirculation and may asymmetrically trigger/aggravate the cellulitis in the region. Further studies are needed to investigate the asymmetry of cellulitis in the gluteal region. Other predisposing factors act similarly in both gluteus, and posture seems to be the only one of them that would act differently bilaterally, which may explain the asymmetry.

Literature is scarce on this topic - we found a single scientific article, which correlated posture with cellulitis. Milani, Natal Filho and João23) evaluated the possible correlation between the angle of lumbar lordosis and the cellulitis grade. They worked with the hypothesis that changes in the lumbar spine curvature could interfere in local blood flow, influencing on appearance of cellulitis. This hypothesis was raised because the severity of cellulitis is greater in the gluteal area and in posterior areas of the thigh. However, as in this study, they did not find any correlation23. New studies should be conducted with a larger sample number, with women with an average age greater than those used in this study and cellulitis grade greater than II by Nürnberger and Müller4.

In grade II, fibrosis is present, causing repercussions on the microcirculation described earlier, on the other hand it is not the case of grade I cellulitis, in which fibrosis is not yet installed. In this study, 20 volunteers (43%) had grade I cellulitis, therefore, it is likely that even with pelvic misalignment, little impact had occurred on the microcirculation of the subcutaneous and dermal tissue of these volunteers, directly interfering in the result.

For Sandoval24, postural changes as flat foot, lumbar hyperlordosis and prolonged orthostatic can cause or aggravate cellulitis. Guirro and Guirro2 describe the postural changes as associated with an important hemodynamic disorder, which may interfere in the emergence or worsening of the cellulitis. Therefore, body postures that tend to compress the fatty tissue in specific areas commonly exacerbate the ripples10.

Posture assessment is a method used in physical therapy to study the alignment of body parts; with a good evaluation we are able to draw a good treatment plan.

For Ribeiro et al. (25, the low cost of photogrammetry, the ease of interpretation, the high precision and reproducibility of the results, as well as the opportunity to archive and access records, are advantages that justify its extensive use. Photogrammetry is also a valuable record of the postural changes over time, since it is able to capture subtle transformations and to interrelate different parts of the body that are hard to measure26.

The photonumeric scale of Hexsel, Dal’Forno and Hexsel22) offers a practical way to assess the severity of cellulitis to distinguish and facilitate its diagnosis and direct the treatment according to the grade of involvement. It is important to note that the graduation shows important aspects, which are not considered in other forms of classification such as the number and depth of depressions, the morphological aspects of skin and flaccidity degree. There is a need for a more comprehensive and accurate evaluation, contributing to a better treatment plan and consequently a better result. It becomes so practical and effective that any professional of the area can apply it without major difficulties, therefore, it is an important tool for the evaluation of cellulitis in clinical practice.

CONCLUSION

No correlation was observed between pelvic alignment and severity and asymmetry of cellulitis.

References

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  • 4
    Funding Source: Nothing to declare
  • 6
    This study was approved by the Research Ethics Committee of Universidade Federal do Triângulo Mineiro under Opinion No. 785382.

Publication Dates

  • Publication in this collection
    Mar 2017

History

  • Received
    Sept 2016
  • Accepted
    Feb 2017
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