, Volume 102, Issue 1, pp 81–85 | Cite as

Is VEGF under-expressed in Indian children with Perthes disease?

  • V. Tiwari
  • R. R. Poudel
  • S. A. KhanEmail author
  • S. Mehra
  • S. S. Chauhan
  • A. Raje
Original Article



The role of vascular endothelial growth factor (VEGF) after ischaemic necrosis of the femoral head in Legg–Calve–Perthes disease (LCPD) has not been adequately studied in humans, especially in Indian population. Therefore, we aimed to evaluate the serum levels of VEGF-A in Indian children with various stages of LCPD and compare them with those of an age- and sex-matched control group of healthy children.


In this case–control study, we enrolled 42 children (below 14 years age) suffering from LCPD and 21 age- and sex-matched healthy controls. Patients were classified radiographically according to Waldenstrom’s classification. Serum VEGF-A was estimated by sandwich enzyme-linked immunosorbent assay technique. The serum values were compared between the patient group and the control group, as well as between the Waldenstrom subgroups. Results were expressed as means with ranges or median with interquartile range.


The mean age in the patient as well as the control group was 9 years (range 4–13 years). The median value (interquartile range) of serum VEGF-A was 162.5 pg/ml (673.75 pg/ml) in the patient group and 652 pg/ml (190.5 pg/ml) in the control group (p = 0.013). When compared between lower Waldenstrom stages (initial stage + stage of fragmentation) and higher Waldenstrom stages (re-ossification stage + stage of healing), the mean values of serum VEGF-A were 464.7 pg/ml (range 0–2211 pg/ml) and 301.1 pg/ml (range 0–1910 pg/ml), respectively (p = 0.305).


VEGF is under-expressed in Indian children suffering from LCPD. As VEGF acts as a key regulator of endochondral ossification, our finding may open new therapeutic approaches to the disease. Also, serum VEGF may act as a valuable marker for the follow-up of the disease. Our study also provides baseline data about serum VEGF-A levels in Indian cohort of LCPD patients. Future multi-centre studies are warranted with a larger sample size to fully appreciate the patho-physiological changes in VEGF occurring in LCPD.


VEGF Perthes disease Indian patients 


Compliance with ethical standards

Conflict of interest

All authors declare that they have no conflict of interest.

Ethical standard

Each author certifies that his or her institution has approved the human protocol for this investigation that all investigations were conducted in conformity with ethical principles of research, and that informed consent was obtained. This work was performed at All India Institute of Medical Sciences, New Delhi, India.

Human and Animals Rights

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Informed consent

Informed consent was obtained from all individual participants included in the study.


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Copyright information

© Istituto Ortopedico Rizzoli 2017

Authors and Affiliations

  • V. Tiwari
    • 1
  • R. R. Poudel
    • 1
  • S. A. Khan
    • 1
    Email author
  • S. Mehra
    • 2
  • S. S. Chauhan
    • 2
  • A. Raje
    • 1
  1. 1.Department of OrthopaedicsAll India Institute of Medical SciencesNew DelhiIndia
  2. 2.Department of BiochemistryAll India Institute of Medical SciencesNew DelhiIndia

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