var options =
    {
      ajax:
      {
        url: base_url+"/pacientes/getPlanos",
        type: "get",
        dataType: "json",
        data:
        {
          q: "{{{q}}}"
        }
      },
      langCode: "pt-BR",
      preprocessData: function (data)
      {
        var i,
        l = data.length,
        array = [];
        if (l)
        {
          for (i = 0; i < l; i++)
          {
            array.push(
              $.extend(true, data[i],
              {
                text: data[i].plano_nome,
                value: data[i].idPlano,
              })
              );
          }
        }
        return array;
      }
    }

    $('select.orcamento_plano').selectpicker()
    .filter(".with-ajax")
    .ajaxSelectPicker(options);

    $(document).on('changed.bs.select', function()
    {
      console.log($(this).find('option:selected'));
    });